Math & Numbers
Convert bar to kilopascals with configurable decimal precision
bar-to-kpaMath & Numbers
Convert bar to pounds per square inch with configurable decimal precision
bar-to-psiMath & Numbers
Convert bits to gigabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates
bits-to-gbMath & Numbers
Convert bits to megabytes with decimal vs binary interpretation, alternate-system comparison, and network-speed-aware transfer estimates
bits-to-mbMath & Numbers
Convert bits to bytes with configurable decimal precision
bit-to-byteMath & Numbers
Calculate exact, cumulative, and upper-tail binomial probabilities for independent Bernoulli trials
binomial-distribution-calculatorMath & Numbers
Calculate posterior probability P(A given B) using prior, likelihood, and false-positive rate
bayes-theorem-calculatorMath & Numbers
Compare arithmetic, geometric, and harmonic averages for a numeric dataset in one place
average-calculatorMath & Numbers
Perform basic arithmetic calculations with support for multiple operations
basic-calculatorMath & Numbers
Perform arithmetic operations on very large numbers
big-number-calculatorMath & Numbers
Convert US liquid gallons to liters with configurable decimal precision
gallon-to-literMath & Numbers
Exact φ(n) from trial-division factorization (n ≤ 10¹²) with optional coprime listing and Euler's theorem recall.
euler-totient-function