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Percentage Calculator

Calculate percentages with 5 different calculation modes — basic, change, of what, add, and subtract percentage.

What is X% of Y?

Result
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How it works

1. Pick a Mode

Choose from 5 different calculation modes.

2. Enter Values

Fill in the numbers — results update live.

3. See Result

Get the exact percentage answer instantly.

4. Copy Result

One-click copy your result to clipboard.

Frequently Asked Questions

Basic % of a number, % change, X is what % of Y, add %, and subtract %.

Yes — results update live as you type.

Yes, every result has a one-click copy button.

Completely free — no signup required.