Unit
Unit
Input
Output
| Selection input > output units | |||
| Description | In | Unit | Out |
| square kilometer | km² | ||
| square hectometer | hm² | ||
| square decameter | dam² | ||
| square meter | m² | ||
| square decimeter | dm² | ||
| square centimeter | cm² | ||
| square millimeter | mm² | ||
| thousand of circular mil | kcmil | ||
| circular mil | cmil | ||
| square milliinch | mil² | ||
| square inch | in² | ||
| square foot, square feet | ft² | ||
| square yard | yd² | ||
| square mile | mi² US | ||