Math & Numbers
Convert between different temperature units (Celsius, Fahrenheit, Kelvin, Rankine)
temperature-unit-converterFinance
Calculate student loan repayment with an optional grace period and subsidized/unsubsidized interest. Unsubsidized loans accrue interest during the grace period that capitalizes into principal; subsidized loans do not. Shows monthly payment, total interest, total repayment, a balance curve, and a yearly breakdown.
student-loan-calculatorMath & Numbers
Convert terabytes to tebibytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates
tb-to-tibMath & Numbers
Convert terabytes to gigabytes with decimal vs binary interpretation, alternate-system comparison, and transfer estimates
tb-to-gbMath & Numbers
Convert US tablespoons to US teaspoons with configurable decimal precision
tablespoon-to-teaspoonMath & Numbers
Convert US teaspoons to US tablespoons with configurable decimal precision
teaspoon-to-tablespoonMath & Numbers
Estimate total study hours, daily study targets, and schedule feasibility from topics, difficulty, and available time
study-time-calculatorMath & Numbers
Calculate Student t distribution PDF, CDF, tail probability, two-tail probability, and central area
t-distribution-calculatorMath & Numbers
Sum arithmetic series, geometric series, or a custom list of terms
sum-of-series-calculatorMath & Numbers
Run one-sample or two-sample t-tests from raw data and inspect t statistics, degrees of freedom, and p-values
t-test-calculatorMath & Numbers
Calculate sum of numbers with partial sums, cumulative sums, and statistics
sum-calculatorMath & Numbers
Calculate Taylor series expansion for common functions
taylor-series