Unit Converter

Convert between units of length, mass, temperature, area, volume, speed, data, time, pressure, and energy.

Category

Conversion

How to Use

  1. Choose a category in "Category", e.g. Length, Mass, or Temperature
  2. Enter the value to convert
  3. Pick the source unit in "From" and the target unit in "To"
  4. Use the swap button in the middle to quickly exchange source and target units

Examples

  • Meters to feet

    Input: 1 meter

    Output: ≈ 3.2808 feet

  • Celsius to Fahrenheit

    Input: 100°C

    Output: 212°F

FAQ

How is temperature different from other units?
Temperature is not a simple ratio — Celsius, Fahrenheit, and Kelvin have offsets. The tool applies the exact formulas.
Which categories are supported?
Ten common groups: length, mass, temperature, area, volume, speed, data, time, pressure, and energy.
Are the results accurate?
All non-temperature units use standard factors for an exact conversion; extremely large or small numbers are shown in scientific notation.

Related tools