Unit Converter

Convert length, weight, temperature and data-size units instantly with one free online unit converter.

How to use Unit Converter

Convert length, weight, temperature and data-size units instantly with one free online unit converter.

  1. Enter the source value or date.
  2. Choose the required target unit, date or method.
  3. Review and use the converted or calculated result.

Inputs are processed in your browser unless the tool explicitly states that it retrieves reference data. Verify the result against your own context before making an important decision.

Unit conversion example

To convert 2.5 kilometres to metres, multiply by 1000 for a result of 2500 metres. Temperature needs an offset as well as a scale: 68 °F becomes 20 °C using (68 − 32) × 5/9.

Choose units that measure the same physical quantity. For financial, medical or laboratory work, verify the result against the precision and rounding rules of that field.