Percentage calculator

Runs on your deviceFreeNo account

How to use Percentage calculator

Pick the mode that matches your question, enter the numbers, and read the result. No signup. Useful on mobile when a spreadsheet is overkill.

1

Open the tool

Use the workspace below — no signup is required.

2

Enter your input

Pick the mode that matches your question, enter the numbers, and read the result. No signup. Useful on mobile when a spreadsheet is overkill.

3

Copy the result

Copy text or download a file when the tool offers an export. Local tools keep processing in this tab.

Direct share: Install Omnipus as an app on Android to share files and links into this tool from other apps.

About this tool

Solve everyday percent problems — discounts, tips, exam scores, and “X is what percent of Y” — with clear inputs and instant results in your browser.

#percentage calculator#percent of#percent change

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Frequently Asked Questions

Can it do reverse percentages?

Yes — modes cover finding the whole, the part, or the percent.

Rounding?

Results use ordinary floating-point rounding; for money, round to cents in your head or ledger.

Private?

Yes. Numbers stay in the tab.

Compound interest?

Use the compound interest calculator for multi-period growth.

Is Percentage calculator completely free to use?

Yes. Percentage calculator on Omnipus is free to use with no subscription paywall for the tool itself.

Are my files or data uploaded to any servers?

No. Percentage calculator processes your input locally in this browser tab. Your files and text are not sent to Omnipus. Some tools download an engine or model file the first time you use them; that is a download, not an upload.

Can I use Percentage calculator on my mobile phone?

Yes. Omnipus has touch-friendly controls and can be installed as an app. On Android you can also share files or links into tools from other apps.

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