Online area converter introduction

Metric units

1 square kilometer (km²) = 100 hectares (ha) = 247.1 acres = 0.386 square miles (mile²)

1 square meter (m²) = 10.764 square feet (ft²) 1 are = 100 square meters (m²)

1 hectare (ha) = 15 mu = 1 hm² = 10,000 square meters (m²) = 2.471 acres = 0.01 square kilometers (where h stands for hectometer, hm² means square hectometer)

1 square mile (mile²) = 2.590 square kilometers (km²)

1 acre = 0.4047 hectares (ha) = 4.047×10⁻³ square kilometers (km²) = 4047 square meters (m²)

1 square foot (ft²) = 0.093 square meters (m²) 1 square inch (in²) = 6.452 square centimeters (cm²)

1 square yard (yd²) = 0.8361 square meters (m²)

1 mu = 2000/3 square meters ≈ 666.666 square meters

Chinese customary units

1 square li = 22500 square zhang

1 square zhang = 100 square chi

1 square chi = 100 square cun

1 square cun = 100 square fen

1 square fen = 100 square li

1 square li = 100 square hao