Free Percentage Calculator
Calculate a percentage of a number, what percent one value is of another, or percentage change.
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Built to cover related searches like free percentage calculator · percent calculator · percentage change calculator.
Enter values to calculate.
Your numbers stay in your browser.
How to calculate a percentage
- Choose a calculation type: X% of Y, X is what % of Y, or % change from X to Y.
- Enter the two numbers.
- The result updates instantly as you type.
What each calculation does
"X% of Y" finds a percentage of a number, useful for discounts, tips, and tax. "X is what % of Y" finds what percent one value is of another, useful for scores and completion rates. "% change from X to Y" finds the percentage increase or decrease between two numbers.
Common searches this tool matches
These phrases help guide page structure, internal links, and future optimization. They are used naturally, not as keyword stuffing.
Common use cases
- Work out a discount or tax amount
- Check what percent a score or score is out of a total
- Calculate a percentage increase or decrease between two numbers
Frequently asked questions
Is this percentage calculator free?
Yes. It is completely free, with no signup and no limits.
Are my numbers uploaded anywhere?
No. The calculation happens locally in your browser. Nothing you enter is sent to Inqita or stored.
How is percentage change calculated?
As ((new value - old value) / old value) × 100, shown as an increase or a decrease depending on the direction.
Can I calculate a discount or tip?
Yes. Use "X% of Y" with the discount or tip percentage and the original amount.
Does this work on mobile?
Yes. The calculator is designed for current mobile and desktop browsers.