Online Math Tools and Calculators

Access 308 online math tools for calculations, conversions, and data processing. No software installation required. Secure server-side processing with automatic file deletion.

Solve complex equations, convert numerical bases, and process mathematical data with our collection of 308 online math tools. Work directly in your browser while our servers handle the computations, eliminating the need for local software installations.

308 Tools

Math, Date & Finance
Absolute Value Calculator
Calculate the absolute value of positive, negative, or decimal numbers and explain the sign relationship
Math, Date & Finance
Acre to Hectare
Convert acres to hectares with configurable decimal precision
Math, Date & Finance
Acre to Square Feet
Convert acres to square feet with configurable decimal precision
Math, Date & Finance
Acre to Square Meter
Convert acres to square meters with configurable decimal precision
Math, Date & Finance
Adjusted R-Squared Calculator
Calculate adjusted R squared from R squared, sample size, and predictor count
AI & Generators
AI Math Solver/Photomath
Solve math problems from images using AI vision models with step-by-step explanations
Math, Date & Finance
Angle Unit Converter
Convert between different angle units (degrees, radians, gradians, minutes, seconds, etc.)
Math, Date & Finance
ANOVA Calculator
Run one-way ANOVA across multiple groups and inspect sums of squares, F statistic, and p-value
Math, Date & Finance
Antilog Calculator
Calculate antilogarithms for any valid base and optionally verify the result by applying the logarithm again
Math, Date & Finance
Area Unit Converter
Convert between different area units (square meters, square feet, acres, hectares, etc.)
Math, Date & Finance
Arithmetic Sequence Calculator
Calculate the nth term, first terms, and finite sum of an arithmetic sequence
Math, Date & Finance
Average Calculator
Compare arithmetic, geometric, and harmonic averages for a numeric dataset in one place
Math, Date & Finance
Basic Calculator
Perform basic arithmetic calculations with support for multiple operations
Math, Date & Finance
Bayes Theorem Calculator
Calculate posterior probability P(A given B) using prior, likelihood, and false-positive rate
Math, Date & Finance
Big Number Calculator
Perform arithmetic operations on very large numbers
Math, Date & Finance
Binomial Distribution Calculator
Calculate exact, cumulative, and upper-tail binomial probabilities for independent Bernoulli trials
Math, Date & Finance
Bit to Byte
Convert bits to bytes with configurable decimal precision
Math, Date & Finance
Break-Even Calculator
Calculate the break-even point for a product or business based on fixed costs, variable costs, and price
Math, Date & Finance
Byte to Bit
Convert bytes to bits with configurable decimal precision
Math, Date & Finance
Byte to MB
Convert bytes to megabytes using the decimal MB standard with configurable precision
Math, Date & Finance
Bytes to KB
Convert bytes to kilobytes using decimal storage units
Math, Date & Finance
Bytes to MB
Convert bytes to megabytes using decimal storage units
Math, Date & Finance
Celsius to Fahrenheit
Convert Celsius to Fahrenheit with configurable decimal precision
Math, Date & Finance
Celsius to Kelvin
Convert Celsius to Kelvin with configurable decimal precision
Math, Date & Finance
Chemical Equation Balancer
Automatically balance chemical equations using linear algebra methods
Math, Date & Finance
Chi-Square Distribution Calculator
Calculate chi-square distribution PDF, CDF, and right-tail probability from a statistic and degrees of freedom
Math, Date & Finance
Chi-Square Test Calculator
Run chi-square goodness-of-fit or independence tests from observed counts or contingency tables
Math, Date & Finance
CM to Inches
Convert centimeters to inches with configurable decimal precision
Math, Date & Finance
CM to MM
Convert centimeters to millimeters with configurable decimal precision
Math, Date & Finance
Coefficient of Variation Calculator
Calculate coefficient of variation as relative standard deviation for comparing variability across datasets
Data & Tables
Column Calculator
Perform calculations on columns and add new rows
Math, Date & Finance
Combination Calculator
Calculate combinations (C(n,r)) with support for different types: with/without repetition, binomial coefficients, and detailed combinatorial analysis.
Math, Date & Finance
Commission Calculator
Calculate sales commission and total earnings based on sales amount and commission rate
Math, Date & Finance
Complex Number Calculator
Perform structured arithmetic and analysis for complex numbers in algebraic and polar form
Math, Date & Finance
Conditional Probability Calculator
Calculate P(A given B) from joint probability P(A and B) and condition probability P(B)
Math, Date & Finance
Confidence Interval Calculator
Calculate confidence intervals for a sample mean or proportion using either raw data or summary statistics
Math, Date & Finance
Continued Fraction Calculator
Convert numbers to continued fraction representation
Math, Date & Finance
Correlation Calculator
Calculate Pearson and Spearman correlation coefficients from paired numeric data
Math, Date & Finance
Covariance Calculator
Calculate sample and population covariance from paired numeric data
Math, Date & Finance
Credit Hour Calculator
Estimate academic credit hours from weekly lecture, lab, studio, term length, and contact-hour rules
Math, Date & Finance
Cross Product Calculator
Compute the 2D signed area or 3D cross product between two vectors
Math, Date & Finance
Cube Root Calculator
Calculate cube roots for positive or negative numbers and verify the cubed result
Math, Date & Finance
Cubic Equation Solver
Solve cubic equations, classify the root pattern, and show Cardano-style intermediate values
Math, Date & Finance
Cubic Feet to Gallon
Convert cubic feet to US liquid gallons with configurable decimal precision
Math, Date & Finance
Cubic Meter to Liter
Convert cubic meters to liters with configurable decimal precision
Math, Date & Finance
Cup to Liter
Convert US cups to liters with configurable decimal precision
Math, Date & Finance
Cup to OZ
Convert US cups to US fluid ounces with configurable decimal precision
Math, Date & Finance
Data Storage Unit Converter
Convert between different data storage units (bit, byte, KB, MB, GB, TB, etc.)
Math, Date & Finance
Day of Week Calculator
Calculate what day of the week a given date falls on
Math, Date & Finance
Days to Hours
Convert days to hours with configurable decimal precision
Math, Date & Finance
Days to Months
Convert whole days to exact calendar months from a specified start year and month
Math, Date & Finance
Days to Weeks
Convert days to weeks with configurable decimal precision
Math, Date & Finance
Days to Years
Convert whole days to exact calendar years from a specified start year
Math, Date & Finance
Decimal to Fraction Calculator
Convert decimals into simplified fractions or mixed numbers with configurable tolerance and denominator limits
Math, Date & Finance
Density Unit Converter
Convert between different density units (kg/m³, g/cm³, lb/ft³, etc.)
Math, Date & Finance
Derivative Calculator
Calculate derivatives of common functions
Math, Date & Finance
Determinant Calculator
Compute the determinant of a square matrix and explain the main calculation steps
Math, Date & Finance
Digital Root Calculator
Calculate the digital root of numbers. The digital root is the recursive sum of digits until a single digit is obtained.
Math, Date & Finance
Discount Calculator
Calculate discounted prices, savings, and final price after applying percentage or fixed amount discounts
Math, Date & Finance
Divisibility Calculator
Check whether one integer is divisible by another and show the quotient, remainder, and optional divisibility hint
Math, Date & Finance
Dot Product Calculator
Compute the dot product, cosine similarity, and angle between two vectors
Math, Date & Finance
Effect Size Calculator
Calculate Cohen d, Hedges g, Cohen h for proportions, or correlation r effect sizes from summary statistics
Math, Date & Finance
Electricity Calculator
Calculate electricity costs based on power consumption and usage time
Math, Date & Finance
Energy Unit Converter
Convert between different energy units (joules, calories, kilowatt-hours, BTU, etc.)
Math, Date & Finance
Exponential Calculator
Calculate natural exponential values e^x, inspect growth factors, and compare them with the inverse e^-x
Math, Date & Finance
Exponential Distribution Calculator
Calculate PDF, CDF, survival probability, and interval probability for an exponential distribution
Math, Date & Finance
F Distribution Calculator
Calculate F distribution density, cumulative probability, and right-tail probability from numerator and denominator degrees of freedom
Math, Date & Finance
Factorial Calculator
Calculate n! for a non-negative integer with exact BigInt output, optional steps, and related values such as trailing zeros
Math, Date & Finance
Fahrenheit to Celsius
Convert Fahrenheit to Celsius with configurable decimal precision
Math, Date & Finance
Fahrenheit to Kelvin
Convert Fahrenheit to Kelvin with configurable decimal precision
Math, Date & Finance
Feet to Meter
Convert feet to meters with configurable decimal precision
Math, Date & Finance
Feet to Mile
Convert feet to miles with configurable decimal precision
Math, Date & Finance
Feet to Yard
Convert feet to yards with configurable decimal precision
Math, Date & Finance
Fibonacci Sequence Generator
Generate Fibonacci sequence with customizable start numbers, length, and output format. Includes golden ratio analysis and mathematical properties.
Math, Date & Finance
Final Grade Calculator
Calculate the score needed on a final exam to reach a desired overall course grade
Math, Date & Finance
Fisher Exact Test Calculator
Run Fisher exact test for a 2 x 2 contingency table with exact one-sided or two-sided p-values
Math, Date & Finance
Force Unit Converter
Convert between different force units (newton, pound-force, kilogram-force, dyne, etc.)
Math, Date & Finance
Fourier Series Calculator
Calculate Fourier series coefficients for common waveforms
Math, Date & Finance
Fraction Calculator
Evaluate fraction expressions, simplify results, and show decimal plus mixed-number forms
Math, Date & Finance
Fraction Decimal Converter
Convert between fractions and decimals with support for mixed numbers, improper fractions, and various decimal formats
Math, Date & Finance
Fraction to Decimal Calculator
Convert fractions or mixed numbers into decimals with configurable precision and percentage output
Math, Date & Finance
G to MG
Convert grams to milligrams with configurable decimal precision
Math, Date & Finance
Gallon to Cubic Feet
Convert US liquid gallons to cubic feet with configurable decimal precision
Math, Date & Finance
Gallon to Liter
Convert US liquid gallons to liters with configurable decimal precision
Math, Date & Finance
Gallon to Quart
Convert US liquid gallons to US liquid quarts with configurable decimal precision
Math, Date & Finance
Gas Price Calculator
Calculate fuel costs based on distance, fuel efficiency, and gas price
Math, Date & Finance
GB to MB
Convert gigabytes to megabytes with decimal vs binary interpretation, alternate-system comparison, and transfer estimates
Math, Date & Finance
GCD & LCM Calculator
Calculate the greatest common divisor and least common multiple for two or more integers
Math, Date & Finance
Geometric Distribution Calculator
Calculate probabilities for the trial number of the first success in repeated Bernoulli trials
Math, Date & Finance
Geometric Mean Calculator
Calculate the geometric mean of positive numeric values for growth rates, ratios, and multiplicative datasets
Math, Date & Finance
Geometric Sequence Calculator
Calculate the nth term, first terms, and finite sum of a geometric sequence
Math, Date & Finance
GPA Calculator
Calculate credit-weighted GPA from course names, credit hours, and letter or numeric grades
Math, Date & Finance
Grade Calculator
Calculate a weighted course grade from assignment scores and category weights
Math, Date & Finance
Grams to KG
Convert grams to kilograms with configurable decimal precision
Math, Date & Finance
Grams to OZ
Convert grams to ounces with configurable decimal precision
Math, Date & Finance
Harmonic Mean Calculator
Calculate the harmonic mean of positive values, with optional arithmetic and geometric mean comparison
Math, Date & Finance
Hectare to Acre
Convert hectares to acres with configurable decimal precision
Math, Date & Finance
Hectare to Square Meter
Convert hectares to square meters with configurable decimal precision
Math, Date & Finance
Hours to Days
Convert hours to days with configurable decimal precision
Math, Date & Finance
Hyperbolic Calculator
Calculate hyperbolic functions (sinh, cosh, tanh)
Math, Date & Finance
Hypergeometric Distribution Calculator
Calculate exact and cumulative probabilities for sampling without replacement
Math, Date & Finance
Inches to CM
Convert inches to centimeters with configurable decimal precision
Math, Date & Finance
Inches to Meter
Convert inches to meters with configurable decimal precision
Math, Date & Finance
Inches to MM
Convert inches to millimeters with configurable decimal precision
Math, Date & Finance
Inches to Yard
Convert inches to yards with configurable decimal precision
Math, Date & Finance
Integral Calculator
Calculate indefinite integrals of common functions
Math, Date & Finance
Interquartile Range Calculator
Calculate Q1, Q3, IQR, and optional 1.5 x IQR outlier fences for a numeric dataset
Math, Date & Finance
KB to Bytes
Convert kilobytes to bytes using decimal storage units
Math, Date & Finance
Kelvin to Celsius
Convert Kelvin to Celsius with configurable decimal precision
Math, Date & Finance
Kelvin to Fahrenheit
Convert Kelvin to Fahrenheit with configurable decimal precision
Math, Date & Finance
Kendall Tau Calculator
Calculate Kendall tau-a and tau-b rank correlation for paired numeric data
Math, Date & Finance
KG to Grams
Convert kilograms to grams with configurable decimal precision
Math, Date & Finance
KG to LB
Convert kilograms to pounds with configurable decimal precision
Math, Date & Finance
KG to Metric Ton
Convert kilograms to metric tons with configurable decimal precision
Math, Date & Finance
KG to Stone
Convert kilograms to stone with configurable decimal precision
Math, Date & Finance
KM to Meter
Convert kilometers to meters with configurable decimal precision
Math, Date & Finance
KM to Miles
Convert kilometers to miles with configurable decimal precision
Math, Date & Finance
KMH to Knot
Convert kilometers per hour to knots with configurable decimal precision
Math, Date & Finance
KMH to MPH
Convert kilometers per hour to miles per hour with configurable decimal precision
Math, Date & Finance
KMH to M/S
Convert kilometers per hour to meters per second with configurable decimal precision
Math, Date & Finance
Knot to KMH
Convert knots to kilometers per hour with configurable decimal precision
Math, Date & Finance
Knot to MPH
Convert knots to miles per hour with configurable decimal precision
Math, Date & Finance
Kruskal-Wallis Calculator
Compare three or more independent groups with the nonparametric Kruskal-Wallis H test
Math, Date & Finance
Kurtosis Calculator
Calculate raw and excess kurtosis to measure tail weight and peakedness of a distribution
Math, Date & Finance
LB to KG
Convert pounds to kilograms with configurable decimal precision
Math, Date & Finance
LB to OZ
Convert pounds to ounces with configurable decimal precision
Math, Date & Finance
LB to Stone
Convert pounds to stone with configurable decimal precision
Math, Date & Finance
LB to Ton
Convert pounds to US short tons with configurable decimal precision
Math, Date & Finance
Least Squares Calculator
Calculate the least-squares regression line, residuals, and squared error diagnostics from paired data
Math, Date & Finance
Length Unit Converter
Convert between different length units (meters, feet, inches, miles, etc.)
Math, Date & Finance
Limit Calculator
Calculate limits of functions as x approaches a value
Math, Date & Finance
Line of Best Fit Calculator
Find the linear trend line of best fit for paired data and predict y values from x
Math, Date & Finance
Linear Equation Solver
Solve linear equations of the form ax + b = 0 using coefficients or a typed equation
Math, Date & Finance
Linear Regression Calculator
Fit a simple least-squares linear regression model and calculate slope, intercept, R squared, and predictions
Math, Date & Finance
Liter to Cubic Meter
Convert liters to cubic meters with configurable decimal precision
Math, Date & Finance
Liter to Cup
Convert liters to US cups with configurable decimal precision
Math, Date & Finance
Liter to Gallon
Convert liters to US liquid gallons with configurable decimal precision
Math, Date & Finance
Liter to ML
Convert liters to milliliters with configurable decimal precision
Math, Date & Finance
Liter to Pint
Convert liters to US liquid pints with configurable decimal precision
Math, Date & Finance
Liter to Quart
Convert liters to US liquid quarts with configurable decimal precision
Math, Date & Finance
Logarithm Calculator
Calculate logarithms with any valid base, with optional log10, log2, and natural-log comparisons
Math, Date & Finance
Logistic Regression Calculator
Fit a binary logistic regression model with gradient descent and predict class probabilities
Math, Date & Finance
Mann-Whitney U Test Calculator
Compare two independent samples with the nonparametric Mann-Whitney U rank-sum test
Math, Date & Finance
Margin Calculator
Calculate profit margin, markup, and selling price based on cost and desired margin percentage
Math, Date & Finance
Margin of Error Calculator
Calculate the margin of error for a mean or proportion from sample size, confidence level, and variability
Math, Date & Finance
Markup Calculator
Calculate markup, selling price, and profit based on cost and markup percentage
Math, Date & Finance
Percentage Calculator
Solve common percentage questions including percentage of a total, value from a percentage, and percentage change
Math, Date & Finance
Matrix Calculator
Perform core matrix operations including addition, multiplication, inverse, determinant, trace, and rank
Math, Date & Finance
Matrix Inverse Calculator
Compute the inverse of a square matrix using Gauss-Jordan elimination and report when inversion is impossible
Math, Date & Finance
Matrix Multiplication Calculator
Multiply two matrices and return the product with dimension checks and optional step explanations
Math, Date & Finance
MB to Bytes
Convert megabytes to bytes using decimal storage units
Math, Date & Finance
MB to GB
Convert megabytes to gigabytes with decimal vs binary interpretation, alternate-system comparison, and transfer estimates
Math, Date & Finance
MCG to MG
Convert micrograms to milligrams with configurable decimal precision
Math, Date & Finance
McNemar Test Calculator
Test paired binary categorical changes with exact binomial or continuity-corrected chi-square McNemar test
Math, Date & Finance
Mean Absolute Deviation Calculator
Calculate mean absolute deviation around the mean or median for an easy-to-read spread measure
Math, Date & Finance
Mean Calculator
Calculate the arithmetic mean of a numeric dataset and review the main supporting statistics
Math, Date & Finance
Median Calculator
Find the median of a dataset, inspect the sorted sequence, and optionally review quartiles and interquartile range
Math, Date & Finance
Meter to Feet
Convert meters to feet with configurable decimal precision
Math, Date & Finance
Meter to Inches
Convert meters to inches with configurable decimal precision
Math, Date & Finance
Meter to KM
Convert meters to kilometers with configurable decimal precision
Math, Date & Finance
Meter to Mile
Convert meters to international miles with configurable decimal precision
Math, Date & Finance
Meter to Yard
Convert meters to yards with configurable decimal precision
Math, Date & Finance
Metric Ton to KG
Convert metric tons to kilograms with configurable decimal precision
Math, Date & Finance
MG to G
Convert milligrams to grams with configurable decimal precision
Math, Date & Finance
MG to MCG
Convert milligrams to micrograms with configurable decimal precision
Math, Date & Finance
Midrange Calculator
Calculate the midrange of a numeric dataset as the average of its minimum and maximum values
Math, Date & Finance
Mile to Feet
Convert miles to feet with configurable decimal precision
Math, Date & Finance
Mile to Meter
Convert international miles to meters with configurable decimal precision
Math, Date & Finance
Mile to Nautical Mile
Convert international miles to nautical miles with configurable decimal precision
Math, Date & Finance
Miles to KM
Convert miles to kilometers with configurable decimal precision
Math, Date & Finance
ML to Liter
Convert milliliters to liters with configurable decimal precision
Math, Date & Finance
ML to OZ
Convert milliliters to US fluid ounces with configurable decimal precision
Math, Date & Finance
MM to CM
Convert millimeters to centimeters with configurable decimal precision
Math, Date & Finance
MM to Inches
Convert millimeters to inches with configurable decimal precision
Math, Date & Finance
Mode Calculator
Find the most frequent value or values in a dataset and inspect the supporting frequency distribution
Math, Date & Finance
Modular Calculator
Perform modular arithmetic operations
Math, Date & Finance
Modulo Calculator
Compute the remainder of integer division, with optional normalization to the positive modulo form
Math, Date & Finance
Months to Days
Convert whole calendar months to exact days from a specified start year and month
Math, Date & Finance
MPH to KMH
Convert miles per hour to kilometers per hour with configurable decimal precision
Math, Date & Finance
MPH to Knot
Convert miles per hour to knots with configurable decimal precision
Math, Date & Finance
MPH to M/S
Convert miles per hour to meters per second with configurable decimal precision
Math, Date & Finance
M/S to KMH
Convert meters per second to kilometers per hour with configurable decimal precision
Math, Date & Finance
M/S to MPH
Convert meters per second to miles per hour with configurable decimal precision
Math, Date & Finance
Multiple Linear Regression Calculator
Fit a multiple linear regression model from rows of predictor variables and a numeric target
Math, Date & Finance
Natural Log Calculator
Calculate natural logarithms ln(x), with optional comparisons to log10 and the matching exponential form
Math, Date & Finance
Nautical Mile to Mile
Convert nautical miles to international miles with configurable decimal precision
Math, Date & Finance
Normal Distribution Calculator
Calculate z-scores, cumulative probability, tail probability, and interval probability for a normal distribution
Math, Date & Finance
Nth Root Calculator
Calculate nth roots with configurable degree, including odd roots of negative numbers
Math, Date & Finance
Number Converter
Convert numbers between different formats (decimal, binary, hexadecimal, octal)
Math, Date & Finance
Number Precision Adjuster
Adjust and format number precision, decimal places, and scientific notation with various rounding and padding options
Math, Date & Finance
Number Rounding Tool
Round numbers with precision control, supporting different rounding methods and batch processing
Math, Date & Finance
One Proportion Z Test Calculator
Run a one-proportion Z test from success count, trial count, and hypothesized population proportion
Math, Date & Finance
One Sample t Test Calculator
Run a one-sample t test from raw data or summary statistics, including p-value and confidence interval
Math, Date & Finance
One-Way ANOVA Calculator
Compare means across three or more independent groups with a one-way ANOVA F test
Math, Date & Finance
OZ to Cup
Convert US fluid ounces to US cups with configurable decimal precision
Math, Date & Finance
OZ to Grams
Convert ounces to grams with configurable decimal precision
Math, Date & Finance
OZ to LB
Convert ounces to pounds with configurable decimal precision
Math, Date & Finance
OZ to ML
Convert US fluid ounces to milliliters with configurable decimal precision
Math, Date & Finance
P Value Calculator
Calculate one-tailed or two-tailed p-values for Z, t, chi-square, and F test statistics
Math, Date & Finance
Pace Min/Km to KMH
Convert running pace in minutes per kilometer to kilometers per hour
Math, Date & Finance
Pace Min/Mile to MPH
Convert running pace in minutes per mile to miles per hour
Math, Date & Finance
Paired t Test Calculator
Run paired-sample t tests from before and after values or precomputed paired differences
Math, Date & Finance
Pascal's Triangle Generator
Generate Pascal's triangle with customizable number of rows
Math, Date & Finance
Pearson Correlation Calculator
Calculate Pearson r, r squared, covariance, and confidence interval for paired numeric data
Math, Date & Finance
Percent Error Calculator
Calculate percent error between an experimental value and a reference value
Math, Date & Finance
Percentage Calculator
Calculate percentages, percentage changes, and percentage relationships between numbers
Math, Date & Finance
Percentage Decrease Calculator
Calculate the percentage decrease between an original value and a new value
Math, Date & Finance
Percentage Increase Calculator
Calculate the percentage increase between an original value and a new value
Math, Date & Finance
Percentile Calculator
Calculate one or more percentiles for a numeric dataset with linear, nearest-rank, or exclusive methods
Math, Date & Finance
Percentile to Z-Score Calculator
Convert a normal percentile, tail area, or central area into a standard normal z-score
Math, Date & Finance
Perimeter Calculator
Calculate the perimeter of various geometric shapes
Math, Date & Finance
Permutation Calculator
Calculate permutations with or without repetition, plus circular arrangements, with formulas and optional steps
Math, Date & Finance
Pint to Liter
Convert US liquid pints to liters with configurable decimal precision
Math, Date & Finance
Poisson Distribution Calculator
Calculate exact, cumulative, and upper-tail Poisson probabilities from an expected event rate
Math, Date & Finance
Polynomial Calculator
Evaluate and analyze polynomials
Math, Date & Finance
Polynomial Regression Calculator
Fit a polynomial least-squares curve to paired numeric data and inspect coefficients, R squared, and predictions
Math, Date & Finance
Polynomial Roots Calculator
Find all real and complex roots of a polynomial from a coefficient list using a numerical root finder
Math, Date & Finance
Population Standard Deviation Calculator
Calculate population standard deviation from population variance using the n denominator
Math, Date & Finance
Population Variance Calculator
Calculate population variance with the n denominator for a complete numeric dataset
Math, Date & Finance
Power Calculator
Raise a base to any real exponent, with optional scientific notation and verification details
Math, Date & Finance
Pressure Unit Converter
Convert between different pressure units (pascal, bar, psi, atmosphere, etc.)
Math, Date & Finance
Prime Factorization Calculator
Factor any integer into its prime factors with detailed analysis and mathematical properties.
Math, Date & Finance
Prime Factorization Calculator
Break an integer into prime factors, show the factorization string, and optionally include divisor properties and factorization steps
Math, Date & Finance
Prime Number Checker
Check if a number is prime (a natural number greater than 1 that has no positive divisors other than 1 and itself)
Math, Date & Finance
Probability Calculator
Calculate union, independent intersection, complement, and at-least-one probabilities
Math, Date & Finance
Proportion Calculator
Solve proportion equations of the form a/b = c/d and calculate the missing term
Math, Date & Finance
Quadratic Equation Calculator
Solve quadratic equations, classify the roots, and return discriminant, vertex, and factor information
Math, Date & Finance
Quadratic & Linear Equation Solver
Solve quadratic equations ax² + bx + c = 0 and linear equations bx + c = 0 with detailed steps, discriminant analysis, vertex calculation, and axis of symmetry.
Math, Date & Finance
Quart to Gallon
Convert US liquid quarts to US liquid gallons with configurable decimal precision
Math, Date & Finance
Quart to Liter
Convert US liquid quarts to liters with configurable decimal precision
Math, Date & Finance
Quartile Calculator
Calculate Q1, median, Q3, interquartile range, and optional outlier fences for a numeric dataset
Math, Date & Finance
R-Squared Calculator
Calculate coefficient of determination R squared from actual and predicted values
Math, Date & Finance
Range Calculator
Calculate the statistical range of a numeric dataset from its minimum and maximum values
Math, Date & Finance
Ratio Calculator
Simplify ratios, calculate ratio shares, and convert between ratio, fraction, and decimal forms
Math, Date & Finance
Rational Number Calculator
Perform arithmetic operations on fractions
Math, Date & Finance
Regression Calculator
Run simple linear regression on paired numeric data and inspect slope, intercept, correlation, and predictions
Math, Date & Finance
Residual Calculator
Calculate residuals, absolute errors, SSE, MSE, and RMSE from actual and predicted values or a linear equation
Math, Date & Finance
Roman Numeral Converter
Convert between Arabic numbers and Roman numerals with validation and detailed results
Math, Date & Finance
Rounding Calculator
Round numbers to integers, decimal places, tens, or hundreds using a simple rounding mode selector
Data & Tables
Row Calculator
Perform calculations on each row and add new columns
Math, Date & Finance
Sample Size Calculator
Estimate required sample size for proportions or means using confidence level, margin of error, and optional finite population correction
Math, Date & Finance
Sample Standard Deviation Calculator
Calculate sample standard deviation from sample variance using the n - 1 denominator
Math, Date & Finance
Sample Variance Calculator
Calculate sample variance with the n - 1 denominator for estimating spread from a sample dataset
Math, Date & Finance
Scientific Calculator
Advanced scientific calculator with support for complex mathematical functions and expressions
Math, Date & Finance
Scientific Notation Calculator
Add, subtract, multiply, and divide values written in scientific notation, then return standard, scientific, and engineering forms
Math, Date & Finance
Scientific Notation Converter
Convert numbers between standard decimal format and scientific notation, with optional engineering notation output
Math, Date & Finance
Sequence Calculator
Calculate arithmetic, geometric, and Fibonacci sequences, including the nth term, the first terms, and the partial sum
Math, Date & Finance
Significant Figures Calculator
Count significant figures and round numbers to a target number of significant digits
Math, Date & Finance
Skewness Calculator
Calculate sample and population skewness to measure distribution asymmetry
Math, Date & Finance
Slope Intercept Calculator
Find slope, y-intercept, and line equation from two points or multiple paired observations
Math, Date & Finance
Spearman Correlation Calculator
Calculate Spearman rank correlation for paired numeric data with tied-rank handling
Math, Date & Finance
Speed Unit Converter
Convert between different speed units (m/s, km/h, mph, knot, mach, etc.)
Math, Date & Finance
Square CM to Square Inch
Convert square centimeters to square inches with configurable decimal precision
Math, Date & Finance
Square Feet to Acre
Convert square feet to acres with configurable decimal precision
Math, Date & Finance
Square Feet to Square Meter
Convert square feet to square meters with configurable decimal precision
Math, Date & Finance
Square Inch to Square CM
Convert square inches to square centimeters with configurable decimal precision
Math, Date & Finance
Square KM to Square Miles
Convert square kilometers to square miles with configurable decimal precision
Math, Date & Finance
Square Meter to Acre
Convert square meters to acres with configurable decimal precision
Math, Date & Finance
Square Meter to Hectare
Convert square meters to hectares with configurable decimal precision
Math, Date & Finance
Square Meter to Square Feet
Convert square meters to square feet with configurable decimal precision
Math, Date & Finance
Square Meter to Square Yard
Convert square meters to square yards with configurable decimal precision
Math, Date & Finance
Square Miles to Square KM
Convert square miles to square kilometers with configurable decimal precision
Math, Date & Finance
Square Root Calculator
Calculate square roots, check whether a value is a perfect square, and verify the squared result
Math, Date & Finance
Square Yard to Square Meter
Convert square yards to square meters with configurable decimal precision
Math, Date & Finance
Standard Deviation Calculator
Calculate sample and population standard deviation, variance, coefficient of variation, and sigma intervals
Math, Date & Finance
Standard Error Calculator
Calculate the standard error of the mean from raw sample values or summary statistics
Math, Date & Finance
Standard Normal Calculator
Calculate standard normal PDF, CDF, tail probability, two-tail probability, and central area from a z-score
Math, Date & Finance
Statistical Power Calculator
Estimate statistical power for one-sample mean or proportion tests using sample size, alpha, and expected effect
Math, Date & Finance
Statistics Calculator
Calculate statistical measures for numerical datasets including mean, median, mode, standard deviation, and more
Math, Date & Finance
Stone to KG
Convert stone to kilograms with configurable decimal precision
Math, Date & Finance
Stone to LB
Convert stone to pounds with configurable decimal precision
Math, Date & Finance
Study Time Calculator
Estimate total study hours, daily study targets, and schedule feasibility from topics, difficulty, and available time
Math, Date & Finance
Sum Calculator
Calculate sum of numbers with partial sums, cumulative sums, and statistics
Math, Date & Finance
Sum Of Series Calculator
Sum arithmetic series, geometric series, or a custom list of terms
Math, Date & Finance
T Distribution Calculator
Calculate Student t distribution PDF, CDF, tail probability, two-tail probability, and central area
Math, Date & Finance
T-Test Calculator
Run one-sample or two-sample t-tests from raw data and inspect t statistics, degrees of freedom, and p-values
Math, Date & Finance
Tablespoon to Teaspoon
Convert US tablespoons to US teaspoons with configurable decimal precision
Math, Date & Finance
Taylor Series Calculator
Calculate Taylor series expansion for common functions
Math, Date & Finance
Teaspoon to Tablespoon
Convert US teaspoons to US tablespoons with configurable decimal precision
Math, Date & Finance
Temperature Unit Converter
Convert between different temperature units (Celsius, Fahrenheit, Kelvin, Rankine)
Math, Date & Finance
Test Score Percentage Calculator
Convert points earned and total points into a test score percentage, points lost, and letter grade
Math, Date & Finance
Time Unit Converter
Convert between different time units (seconds, minutes, hours, days, weeks, etc.)
Math, Date & Finance
Tip Calculator
Calculate tips and split bills between multiple people with customizable tip percentages
Math, Date & Finance
Ton to LB
Convert US short tons to pounds with configurable decimal precision
Math, Date & Finance
Trigonometry Calculator
Calculate trigonometric functions (sin, cos, tan)
Math, Date & Finance
Trimmed Mean Calculator
Calculate a trimmed mean by removing the same percentage of low and high values before averaging
Math, Date & Finance
Two Proportion Z Test Calculator
Compare two independent proportions with a pooled two-proportion Z test and confidence interval
Math, Date & Finance
Two Sample t Test Calculator
Run an independent two-sample t test with pooled variance from raw data or summary statistics
Math, Date & Finance
Two-Way ANOVA Calculator
Analyze two categorical factors and their interaction with a two-way ANOVA table
Math, Date & Finance
Uniform Distribution Calculator
Calculate PDF, CDF, survival probability, and interval probability for a continuous uniform distribution
Math, Date & Finance
Variance Calculator
Calculate sample variance, population variance, and optional standard deviation for a numeric dataset
Math, Date & Finance
Vector Calculator
Perform core vector operations such as addition, subtraction, scaling, magnitude, normalization, angle, and distance
Math, Date & Finance
Volume Unit Converter
Convert between different volume units (liters, gallons, cups, cubic meters, etc.)
Math, Date & Finance
Water Bill Calculator
Calculate water costs based on usage and water rates
Math, Date & Finance
Weeks to Days
Convert weeks to days with configurable decimal precision
Math, Date & Finance
Weight Unit Converter
Convert between different weight units (kilograms, pounds, ounces, grams, etc.)
Math, Date & Finance
Weighted Average Calculator
Calculate a weighted average from paired values and weights, with contribution and normalized weight details
Math, Date & Finance
Weighted GPA Calculator
Calculate weighted GPA from credits, grades, and course rigor bonuses for honors, AP, or IB classes
Math, Date & Finance
Welch t Test Calculator
Run Welch two-sample t tests for independent groups with unequal variances from raw data or summary statistics
Math, Date & Finance
Wilcoxon Signed-Rank Calculator
Run a paired nonparametric Wilcoxon signed-rank test from paired samples or differences
Math, Date & Finance
Winsorized Mean Calculator
Calculate a winsorized mean by capping extreme low and high values before averaging
Math, Date & Finance
Yard to Feet
Convert yards to feet with configurable decimal precision
Math, Date & Finance
Yard to Inches
Convert yards to inches with configurable decimal precision
Math, Date & Finance
Yard to Meter
Convert yards to meters with configurable decimal precision
Math, Date & Finance
Years to Days
Convert whole calendar years to exact days from a specified start year
Math, Date & Finance
Z-Score Calculator
Calculate a z-score from a raw value using a dataset or manually entered mean and standard deviation
Math, Date & Finance
Z-Score to Percentile Calculator
Convert a z-score into normal-distribution percentile, tail probability, or central area
Math, Date & Finance
Z Test Calculator
Run one-sample Z tests for a mean with known population standard deviation or a single population proportion

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FAQ

Do I need to install any software to use these math tools?

No, all tools are accessed directly through your web browser. Computations are processed on our secure servers, so you do not need to install any local applications or plugins.

How are my uploaded files and mathematical inputs secured?

Your privacy is our priority. Text inputs are never stored on our systems, and any uploaded files are automatically and permanently deleted from our servers after 6 hours.

Are calculations processed locally in my browser?

While you interact with the tools through your browser interface, the actual data processing and mathematical computations are executed on Elysia Tools servers to ensure speed and accuracy.