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Area Converter

Conversion Results

International System of Units (SI)

Square meter (m²)-
Square kilometer (km²)-
Square decimeter (dm²)-
Square centimeter (cm²)-
Square millimeter (mm²)-
Hectare (ha)-
Are (a)-

Imperial units

Square inch (in²)-
Square foot (ft²)-
Square yard (yd²)-
Acre (acre)-
Square mile (mi²)-

East Asian traditional units

Mu-
Fen-
Li-
Chō (cho)-
Tan (tan)-
Jia-

Specialized units

Square degree (deg²)-
Barn (b)-
Rod (rod)-
Dunam (dunam)-
Carreau (carreau)-

About the Area Converter

This professional area converter supports 40+ units across categories:

International System of Units (SI)

  • Base: square meter (m²)
  • Large: square kilometer (km²) = 1,000,000 m²; hectare (ha) = 10,000 m²
  • Smaller: square decimeter (dm²) = 0.01 m²; square centimeter (cm²) = 0.0001 m²
  • Tiny: square millimeter (mm²) = 0.000001 m²

Imperial units

  • Square inch (in²) ≈ 6.4516 cm²
  • Square foot (ft²) ≈ 0.092903 m²
  • Square yard (yd²) ≈ 0.836127 m²
  • Acre ≈ 4046.86 m²
  • Square mile (mi²) ≈ 2.59 km²

East Asian traditional units

  • Mu ≈ 666.67 m² (China)
  • Fen = Mu / 10
  • Chō ≈ 9,917.36 m² (Japan)
  • Tan ≈ 991.736 m² (Japan)
  • Jia = 1000 m² (Taiwan)

Specialized units

  • Square degree (deg²): astronomy
  • Barn (b) = 10⁻²⁸ m²: nuclear cross-section
  • Rod ≈ 25.29 m² (historical)

Usage tips

  • Real estate: m², ft²
  • Agriculture: mu, ha, acre
  • Urban planning: km², mi²
  • Research: prefer SI
  • Astronomy: deg²

Note: Conversions follow international standards; some historical units vary by region.