Unit Converter

Convert between various units of measurement

Conversion Features:

  • Support for length, weight, and temperature conversions
  • High precision calculations with automatic rounding
  • Instant conversion as you type
  • Unit swapping with the exchange button
  • Copy results to clipboard

About the Unit Converter

Convert between metric and imperial units of length, weight and temperature instantly. Switch metres to feet, kilometres to miles, kilograms to pounds, or Celsius to Fahrenheit and Kelvin without memorising conversion factors. Results update as you type, and the swap button reverses the direction of conversion in one click. It is handy for travel, cooking, fitness tracking, engineering homework and international shipping.

How to use the Unit Converter

  1. Select a category: length, weight or temperature.
  2. Choose the unit you are converting from and the unit you want.
  3. Enter a value and read the converted result.
  4. Use the swap button to convert in the other direction.

Frequently asked questions

How many feet are in a metre?

One metre equals 3.28084 feet, and one foot equals exactly 0.3048 metres.

How do I convert Celsius to Fahrenheit?

Multiply by 9/5 and add 32. For example, 25 °C is 77 °F. Kelvin is Celsius plus 273.15.

How precise are the results?

Results are shown to six decimal places with trailing zeros removed, which is more than enough for everyday and most technical use.