Free Percentage Calculator Online
Use this free percentage calculator to find percentages, increases, and decreases instantly. Fast, private, and works in your browser.
What is Percentage Calculator?
Percentage Calculator handles the common percentage questions: what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers. It is useful for discounts, tips, grades, and statistics. Calculations run instantly in your browser.
How to use this tool
- Pick the type of percentage calculation.
- Enter your numbers.
- Read the result instantly.
Features
- What is X% of Y
- X is what percent of Y
- Percentage increase and decrease
- Instant results as you type
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
How do I find a percentage of a number?+
Enter the percent and the number — for example 15% of 200 is 30.
Can it calculate percentage change?+
Yes. Enter the old and new values to get the percentage increase or decrease.
Is anything uploaded?+
No. All calculations happen in your browser.
Related tools
Looking for more Calculators?
Browse the full collection of free, browser-based tools.