Percentage Calculator
All-in-one percentage calculator. Quick, accurate, instant results.
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Popular tools you can use in seconds.
Percentage Calculator – % of, What % of, Increase/Decrease, Discounts
Compute percentages instantly. Find “P% of A”, “A is what % of B”, apply increases or discounts, and see clear explanations for every result.
- Supports decimals and comma input
- One layout across modes for fast editing
- Quick presets (5%, 10%, 15%, 20%, 25%, 30%, 50%)
Frequently Asked Questions
- How do I find 20% of a number?
- Enter A as the number and P = 20 in the “% of” tab. The result shows A × 0.20.
- How do I calculate percentage difference?
- Use “Increase / Decrease”: set A to the base value and P to the percentage change.
Try more math tools like the Basic Calculator or Fractions soon.