Area Converter

Convert between different units of area with our easy-to-use calculator.

About Area Units

Area is a measure of the size of a two-dimensional surface. It is measured in square units, such as square meters (m²) or square feet (ft²). Different area units are used in different contexts and regions around the world.

Common Area Units

  • Square Meter (m²): The SI unit of area, equal to the area of a square with sides of 1 meter.
  • Square Kilometer (km²): Used for large areas like cities or countries. 1 km² = 1,000,000 m².
  • Hectare (ha): Commonly used for land area. 1 ha = 10,000 m².
  • Acre (ac): A traditional unit used in the US and UK. 1 acre ≈ 4,046.86 m².
  • Square Mile (mi²): Used for large areas in the US. 1 mi² = 2,589,988.11 m².
  • Square Foot (ft²): Common in the US for building areas. 1 ft² ≈ 0.092903 m².
  • Square Inch (in²): Used for small areas. 1 in² ≈ 0.00064516 m².

Conversion Formulas

To convert between area units, you need to know the conversion factors. All conversions can be done by multiplying or dividing by the appropriate factor. For example:

  • To convert from square meters to square feet: multiply by 10.7639
  • To convert from acres to hectares: multiply by 0.404686
  • To convert from square kilometers to square miles: multiply by 0.386102

Applications

Area measurements are used in many fields:

  • Real estate and construction (property size, floor area)
  • Agriculture (field size, crop yield calculations)
  • Geography (country size, land use planning)
  • Physics and engineering (surface area calculations)