Calculate percentages, increases, and decreases
A percentage calculator helps you perform common percentage calculations like finding what percent one number is of another, calculating percentage increases or decreases, and determining tip amounts.
Calculate sale prices and savings from percentage discounts.
Quickly calculate restaurant tips and split bills.
Convert scores to percentages for academic grading.
Calculate percentage changes in sales, investments, or metrics.
Select from 5 different percentage calculations.
Input the numbers you want to calculate percentages for.
Results calculate automatically as you type.
Use the quick reference guide for common percentages.