Percentage Calculator

Quickly calculate percentages, find what percent one number is of another, or calculate percentage increases/decreases.

What is X% of Y?

What is% of=

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X is what % of Y?

is what % of=

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Percentage Increase/Decrease

Fromto=

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About Percentage Calculator

This is a free, fast, and fully client-side percentage calculator tool. All processing is done locally within your browser to ensure maximum privacy and security. No data is sent to our servers. Bookmark this page for quick access to ad-free, high-performance SEO and developer utilities.