| 1 Acre | 1 Hectare | 1 Square Centimeter | 1 Square Foot | 1 Square Inch | 1 Square Kilometer | 1 Square Meter | 1 Square Mile | 1 Square Yard | |
|---|---|---|---|---|---|---|---|---|---|
| Acres | 1 | 2.4711 | 2.4711 x 10-8 | 2.2957 x 10-5 | 1.5942 x 10-7 | 247.11 | 0.0002471 | 640 | 0.0002066 |
| Hectares | 0.4047 | 1 | 1 x 10-8 | 9.2903 x 10-6 | 6.4516 x 10-8 | 100 | 0.0001 | 259.00 | 8.3613 x 10-5 |
| Square Centimeters | 40,468,564 | 100,000,000 | 1 | 929.03 | 6.4516 | 1 x 1010 | 10,000 | 2.59 x 1010 | 8,361.3 |
| Square Feet | 43,560 | 107,639 | 0.001076 | 1 | 0.006944 | 10,763,910 | 10.764 | 27,878,400 | 9 |
| Square Inches | 6,272,640 | 15,500,031 | 0.155 | 144 | 1 | 1,550,003,100 | 1,550.0 | 4,014,489,600 | 1,296 |
| Square Kilometers | 0.004047 | 0.01 | 1 x 10-10 | 9.2903 x 10-8 | 6.4516 x 10-10 | 1 | 1 x 10-6 | 2.5900 | 8.3613 x 10-7 |
| Square Meters | 4,046.9 | 10,000 | 0.0001 | 0.0929 | 0.0006452 | 1,000,000 | 1 | 2,589,988 | 0.8361 |
| Square Miles | 0.001563 | 0.003861 | 3.861 x 10-11 | 3.587 x 10-8 | 2.491 x 10-10 | 0.3861 | 3.861 x 10-7 | 1 | 3.2283 x 10-7 |
| Square Yards | 4,840 | 11,960 | 0.0001196 | 0.1111 | 0.0007716 | 1,195,990 | 1.1960 | 3,097,600 | 1 |