Convert length, weight, volume and temperature units instantly. 100% free, no sign-up — nothing ever leaves this browser tab.
Unit Converter handles the everyday conversions people need most — length, weight, volume, and temperature — between metric and imperial units, updating the result instantly as you type.
From cooking measurements to shipping weights to travel distances, unit conversions come up constantly in daily life and work. Rather than searching for a specific converter each time, this tool covers the common categories in one place.
No installs, no accounts — just your browser doing the work.
Scroll up (or tap the button above) to load the tool instantly — no account or install needed.
Add your file, text, or numbers into the tool above.
Sensible defaults are already selected — tweak anything you need.
Your result is generated locally and ready in seconds — no waiting room.
Length, weight, volume, and temperature are all supported.
Your numbers stay in this browser tab and are never uploaded.
Results update the moment you type a number or change a unit.
Because Unit Converter runs locally, teams handling sensitive data — finance, HR, legal, operations — can use it without the compliance questions that come with uploading documents to a third-party server.
Common metric and imperial units for length, weight, volume, and temperature — the ones used in daily life and most workplaces.
Yes, using standard conversion factors, rounded to a sensible number of decimal places for readability.
No. Unit Converter runs entirely in your browser.