Percentage Calculator
Calculate percentages, increases, decreases, and what percent of a number.
16.0000 (20% of 80)
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What is Percentage Calculator?
A percentage calculator solves everyday math: discounts, tax, tips, growth rates, and proportion problems.
How to use
Choose calculation type.
Enter your numbers.
View the result instantly.
Benefits
- Multiple calculation modes
- No formula memorization
- Instant results
Frequently Asked Questions
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
Feedback & report a problem
Found a bug or have a suggestion? Let us know — it helps us improve this tool.
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