16 free online calculators

Every percentage, worked out in seconds.

Simple, accurate calculators for everyday math, school grades, weight loss and sports stats. No sign-up, no clutter.

Popular: Percent change Percentage of a number Percentage difference Grade percentage Win percentage

Most used

±%Percent Change CalculatorPercentage increase or decrease, difference, ratio and percentage points between two values.Open calculator → %Percentage CalculatorIncreases, decreases, discounts, tax, tips and more in one place.Open calculator → A+Test Grade Percentage CalculatorTurn your marks into a percentage, letter grade and target score.Open calculator →

Browse by category

All 16 calculators

Everyday math 7

Percentage Calculator Percentage of a Number Calculator Reverse Percentage Calculator Percent Change Calculator Percentage of Change Calculator Percentage Difference Calculator Percentage Gain Calculator

School & grades 5

Test Grade Percentage Calculator Test Percentage Calculator Percentage Grade Calculator Grade Percentage Calculator Grade Calculator Percentage

Health & fitness 2

Weight Loss Percentage Calculator Weight Loss Calculator Percentage

Sports 2

Win Percentage Calculator On-Base Percentage Calculator