Math
Percentages, averages, ratios, fractions and more.
Percentage Calculator
Calculate percentages instantly – find X% of a number, what % one number is of another, or the % change between two values. Free, private, no sign-up.
Average Calculator
Find the mean, median and mode of any set of numbers instantly. Free average calculator — no sign-up, runs in your browser, results in seconds.
Ratio Calculator
Simplify any ratio or solve a missing value in a proportion instantly. Free ratio calculator — runs in your browser, no sign-up needed.
Fraction Calculator
Add, subtract, multiply, or divide any two fractions instantly. Get the answer in lowest terms, with step-by-step working. Free, browser-based fraction