Convert length, weight, temperature, area, volume, speed, data and time instantly. Free, accurate and private — no signup.
Unit Converter is part of ToolsPilot — a free online toolkit for PDFs, images, audio and video. No signup, no watermark and no software to install. Your file is processed entirely in your browser, so it never leaves your device.
How to use Unit Converter
Pick a category — length, weight, temperature, area, volume, speed, data or time.
Type a value and choose the from/to units. The result updates instantly, and the swap button flips the direction.
Use the “1 unit = …” line under the result for quick reference.
Frequently asked questions
Is Unit Converter free to use?
Yes. Unit Converter on ToolsPilot is 100% free with no account, no watermark and no daily limits for everyday use.
Are my files private and secure?
Unit Converter runs entirely in your browser, so your file never leaves your device — nothing is uploaded to any server.
Do I need to install any software?
No. Unit Converter works online in any modern browser on Windows, macOS, Linux, Android and iOS — there is nothing to download or install.
How accurate are the conversions?
Conversions use standard exact factors (e.g. 1 inch = 2.54 cm). Volumes are US customary; months and years use average calendar lengths and are labelled as such.
Does it work offline?
Yes — everything is computed in your browser, so once the page is loaded no connection is needed.