Length Converter

Convert length between metric and imperial units all at once. Runs in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is Length Converter free to use?

Yes — Length Converter is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.

Are my files uploaded or stored anywhere?

No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.

Do I need to install anything or create an account?

No installation and no account needed. Length Converter works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use Length Converter?

Open the tool, add your file (or paste your content), adjust any options, then press “Convert”. Your result is ready to download in seconds.

mg, g, kg, oz, lb, stone.

ms, s, min, hours, days, years.

°C ↔ °F ↔ Gas Mark.

Days between dates, or add days to a date.

Delete empty lines from text.

Ask questions and get answers from your document.