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🔄 Unit Converter

Convert everyday units instantly — length, weight, temperature, volume, and speed. Type a value and get the result immediately, no button press needed.

Common Conversions

How Unit Conversion Works

All conversions use a base unit (SI units where possible). Each unit has a factor representing how many base units it equals. Dividing by the "from" factor and multiplying by the "to" factor gives the result. Temperature uses special formulas.

result = (value / fromFactor) × toFactor
e.g., 5 miles → km: (5 / 1609.344) × 1000 = 8.047 km

How to Use the Unit Converter

  1. 1
    Choose a Category
    Select Length, Weight, Temperature, Volume, or Speed using the tabs at the top.
  2. 2
    Enter Your Value
    Type a number into the "From" input field. The result updates instantly as you type.
  3. 3
    Select Units
    Choose the unit to convert from and the unit to convert to using the dropdown menus.
  4. 4
    Swap if Needed
    Click the swap button (⇄) between the dropdowns to instantly reverse the conversion direction.

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