Live tool
Unit Converter
Result--
Choose units and convert.
kilometer = meter * 0.001
Productivity
Unit Converter
Convert length, weight, and temperature values accurately.
About this tool
What is Unit Converter?
Unit Converter changes a value from one unit to another. It handles length, weight and temperature, and is useful for physics and chemistry homework, lab write-ups and everyday conversions such as kilometres to miles or Celsius to Fahrenheit.
Useful when you need to
- Convert units in a physics or engineering problem
- Switch lab measurements between metric and imperial
- Check a temperature in Celsius, Fahrenheit or Kelvin
- Convert weights and lengths for travel or cooking
How to use
How to use Unit Converter
01 Choose a category
Pick length, weight or temperature.
02 Enter the number
Type the value you want to convert.
03 Select the units
Pick the unit you are converting from and the unit you want.
04 Convert
Read the result and copy it if you need it elsewhere.
Tips
Get better results
- Write units next to every number in your working so mistakes are easy to spot.
- Temperature conversions are not simple multiplications, which is why a tool helps.
- Round only at the end of a multi-step calculation.
FAQ
Frequently asked questions
Which units are supported?
Common length, weight and temperature units such as metres, kilometres, miles, kilograms, pounds, Celsius, Fahrenheit and Kelvin.
How accurate is it?
Results use standard conversion factors and are suitable for coursework. For safety-critical or scientific work, verify against an authoritative reference.
Can I convert currency here?
No. Use the Simple Currency Converter in Quick Tools for money.
Does it need internet?
The conversion itself runs in your browser.