Calculators

Percentage calculator

Calculate a percentage, a share or a percentage change.

Free · No sign-up · No subscription

Your result appears here.

How it works

Example: 20% of 150 is 30. For a price change from 100 to 125, choose “Change”: the result is 25%.

Choose your inputs, check the result and download it if needed. Processing happens locally in your browser.

These tools do not send your inputs to a server. Your web host processes technical connection data when you visit the site.

Percentage = A × B ÷ 100. Share = A ÷ B × 100. Change = (B − A) ÷ A × 100; undefined when A = 0.

Is this tool free?

Yes. The available functions require no payment, account or subscription. Technical file limits are shown with the tool.

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