Free Unit Converter

FreeUnitConvert is a free and lightning-fast unit converter that effortlessly converts between metric, imperial, and other unit systems. Quickly navigate to these common unit conversions:

• Length Converter

  • Kilometers
  • Meters
  • cm
  • Feet
  • Inches
  • Millimeters

• Area Converter

  • Square meters
  • sq in
  • sq ft
  • Acres
  • Hectares
  • sq km

• Volume Converter

  • Ounces
  • Gallons
  • Milliliters
  • Cubic feet
  • km3
  • Cups

• Weight Converter

  • Pounds
  • Kilograms
  • Grams
  • Stones
  • Ounces
  • Tons

• Temperature Converter

  • Celsius
  • Fahrenheit
  • f to c
  • c to f
  • Kelvin

• Time Converter

  • Seconds
  • Minutes
  • Hours
  • Milliseconds
  • Days

• Energy Converter

  • Joules
  • Kilojoules
  • Calories
  • kcal
  • kWh
  • Btus

• Currency Converter

  • USD
  • Euros
  • CNY
  • INR
  • JPY
  • KRW
  • GBP
  • CAD