Percentage Calculator
Calculate percent of a number, ratio percent, and percent change.
Result
Part is what percent of whole?
Percent change
Math tool
Percentage Calculator
Solve common percentage questions instantly.
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How To Use This Tool
Fill in the percentage fields you need. The tool calculates percent of a number, ratio percent, and percent change.
Common Uses
Use it for discounts, taxes, tips, markups, growth rates, score comparisons, and budgeting.
Practical Examples
Calculate discounts, markups, tax amounts, score ratios, growth rates, and percent changes in one place.
Helpful Tips
For percent change, use the old value first and the new value second to get the correct direction.
FAQ
Can this calculate discounts?
Yes. Use the percent of a number section for discounts, tax, and tips.
What does percent change mean?
It compares the old value to the new value and shows the increase or decrease as a percentage.