| SI - Metric System |
|---|
| square kilometer | 1.0 * 10-6 km2 |
| hectare | 0.0001 ha |
| are | 0.01 a |
| square meter | 1 m2 |
| square decimeter | 100 dm2 |
| square centimeter | 10000 cm2 |
| square millimeter | 1000000 mm2 |
|
| American System |
|---|
| mile square | 3.8610216 * 10-7 sq mi |
| acre | 0.00024710538 |
| square rod | 0.039536861 sq rd |
| square yard | 1.19599 sq yd |
| square foot | 10.76391 sq ft |
| square inch | 1550.0031 sq in |
|