Unit Converter
Convert length, weight, temperature and more between metric and imperial units. Free and private in your browser.
Free online unit converter
Convert between metric and imperial units of length, weight, area, volume, speed and temperature. Type a value and pick the units — the result updates instantly. Handy for cooking, DIY, travel, science and homework.
How to convert units online
- Pick the category — length, weight, temperature and more.
- Enter a value and choose the units to convert from and to.
- The result updates instantly in your browser.
- Copy the converted value. Nothing is uploaded.
Frequently asked questions
Can I convert cm to inches?
Yes. Choose length, enter your value in centimetres and convert to inches instantly.
Does it convert kg to lbs?
Yes. Switch to weight to convert between kilograms and pounds.
Is my data uploaded?
No. Conversion runs in your browser.
Is it free?
Yes. The unit converter is completely free with no sign-up.