math tool
Percentage Calculator
Calculate percentages instantly with this free online percentage calculator.
Use this mode to calculate a percentage of a number, such as 15% of 240.
resultlive
50
25% of 200
formula
(x / 100) × y
What it covers
3 modesFind what a percentage of a number equals, like 20% of 350.
Check what percent one value is of another, such as 48 out of 60.
Measure percentage increase or decrease between an old number and a new one.
Common uses
quick checksWork out discounts, markups, tax values, and savings percentages.
Compare changes in traffic, revenue, scores, and performance metrics.
Handle everyday school, finance, shopping, and business percentage math faster.