Solve any percentage problem instantly — from basic % of a number to discount prices and growth rates.
Enter values above to calculate.
Common Examples
100 × 1.09 = 109
200 × 0.80 = 160
500 × 1.08 = 540
85 × 0.15 = 12.75
80 × 1.25 = 100
450k × 0.03 = 13.5k
The Percentage Calculator is a multi-mode mathematical tool that solves the three most common percentage problems: finding a percentage of a number, determining what percentage one number is of another, and calculating percentage increase/decrease.
Everyday utility: Perfect for calculating retail discounts, analyzing profit margins, determining tax amounts, or solving homework problems without needing to remember the underlying formulas.