Percentage Calculator
Find percentages, percentage change and what percent one number is of another.
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About Percentage Calculator
Solve every everyday percentage question: X% of a number, what percent one number is of another, percentage change and adding or removing a percentage.
How to use Percentage Calculator
- Step 1Enter your values or text in the tool above.
- Step 2The result updates instantly as you type.
- Step 3Copy or download the result.
Questions & answers
How do I calculate percentage marks?
Use "What percent": enter marks obtained and total marks, for example 450 of 500 is 90%.
Is Percentage Calculator free?
Yes. Every tool on this site is free to use, with no signup, no watermark and no daily limit.
How accurate is this calculator?
It uses the standard formulas and current published rates. Treat the result as an estimate and confirm important figures with your bank, employer or tax adviser.
Does it work on mobile?
Yes. It works in Chrome, Safari, Edge and Firefox on Android, iPhone, Windows and Mac.