Math Calculators
Everyday math, solved in one tap. Percentage changes, grade point averages, and the other calculations that come up at work, school, and home.
Private by design: this tool runs 100% in your browser. Nothing you enter is sent, stored, or tracked.
Percentage Increase CalculatorCalculate percentage increase or decrease between two numbers instantly, with the differen…
GPA CalculatorCalculate your GPA instantly. Add courses with grades and credit hours for weighted or unw…
Percent Off CalculatorCalculate sale prices instantly: enter the original price and discount percent to see the …
Percentage of a Number CalculatorFind any percentage of any number instantly — e.g. what is 15% of 200? Free, private, no s…
Percentage Difference CalculatorCompare two numbers with percentage difference — the symmetric measure that treats neither…
Fraction to Decimal CalculatorConvert any fraction to a decimal and percentage instantly. Shows the division and repeati…
Ratio CalculatorSimplify ratios to lowest terms and scale them up or down. Enter a:b to simplify, or scale…
Average CalculatorCalculate mean, median, and mode for any list of numbers. Paste your data — see count, sum…