Unit Converter

Pick a category, then convert between units. Results update as you type.

About this tool

The Unit Converter converts between common units of length, weight and temperature as you type.

How to use it

Choose a category: length, weight or temperature.
Enter a value and pick the unit to convert from.
Pick the unit to convert to and read the result.

Tips and limits

Length covers millimetres, centimetres, metres, kilometres, inches, feet, yards and miles. Weight covers milligrams, grams, kilograms, pounds, ounces and tonnes (1,000 kg). Temperature converts between Celsius, Fahrenheit and Kelvin. Results are rounded to four decimal places.

Frequently asked questions

How do I convert Celsius to Fahrenheit?

Multiply by 9/5 and add 32. The tool does this for you.

Is the 'ton' a metric tonne?

Yes, it is 1,000 kilograms.

Does it convert currency?

No. Exchange rates change constantly, so this tool covers fixed units only.