Calculator
Percentage Calculator
Solve common percentage questions in one place: what is a percent of a number, what percent one number is of another, percent change, and add or subtract a percentage.
% Browser-basedFast calculations with no sign-in.
Result
Choose a calculation and press Calculate.
Common percentage formulas
Use this calculator for discounts, tips, grade changes, price increases, conversion rates, and quick comparisons. The result shows both the answer and the formula used so you can double-check the math.
Frequently asked questions
What percentage questions can this solve?
It handles percent of a number, one number as a percent of another, percent change, and adding or subtracting a percentage.
Does this tool save my entries?
No. The calculation runs in your browser, and your entries stay on your computer unless you copy the result.
Can I copy the answer?
Yes. Use the copy button after calculating to copy the result text.