This online converter provides global area unit conversions for engineering surveying, land planning, real estate appraisal, academic research and many other scenarios.
Square Kilometers(km²)： 1 square kilometer = 100 hectares = 247.1 acres
Hectare(ha)： 1 hectare = 10,000 square meters = 15 city acres
Square meter(m²)： Basic international unit, 1 square meter ≈ 10.764 square feet.
Acre(acre)： 1 acre ≈ 0.4047 hectare ≈ 4047 square meters
Square Foot(ft²)： 1 square foot ≈ 0.093 square meter
Square Mile(mile²)： 1 square mile ≈ 2.59 square kilometers
Acre： 1 acre ≈ 666.67 square meters
Square foot： 1 square sazhens = 100 square feet ≈ 11.11 square meters
Note: This tool adopts the international standard conversion rate, the result retains 6 decimals, can meet the needs of most professional.