| 1 sq mi = 27878400 sq ft |
| 2 sq mi = 55756800 sq ft |
| 3 sq mi = 83635200 sq ft |
| 4 sq mi = 111513600 sq ft |
| 5 sq mi = 139392000 sq ft |
| 6 sq mi = 167270400 sq ft |
| 7 sq mi = 195148800 sq ft |
| 8 sq mi = 223027200 sq ft |
| 9 sq mi = 250905600 sq ft |
| 10 sq mi = 278784000 sq ft |
| 15 sq mi = 418176000 sq ft |
| 50 sq mi = 1393920000 sq ft |
| 100 sq mi = 2787840000 sq ft |
| 500 sq mi = 13939200000 sq ft |
| 1000 sq mi = 27878400000 sq ft |
| 5000 sq mi = 139392000000 sq ft |
| 10000 sq mi = 278784000000 sq ft |