| Square miles | Boards |
|---|---|
| 1 sq mi | 334540798.66493 bd |
| 2 sq mi | 669081597.32986 bd |
| 3 sq mi | 1003622395.9948 bd |
| 4 sq mi | 1338163194.6597 bd |
| 5 sq mi | 1672703993.3247 bd |
| 6 sq mi | 2007244791.9896 bd |
| 7 sq mi | 2341785590.6545 bd |
| 8 sq mi | 2676326389.3194 bd |
| 9 sq mi | 3010867187.9844 bd |
| 10 sq mi | 3345407986.6493 bd |
| Square miles | Boards |
|---|---|
| 15 sq mi | 5018111979.974 bd |
| 20 sq mi | 6690815973.2986 bd |
| 30 sq mi | 10036223959.948 bd |
| 40 sq mi | 13381631946.597 bd |
| 50 sq mi | 16727039933.247 bd |
| 60 sq mi | 20072447919.896 bd |
| 70 sq mi | 23417855906.545 bd |
| 80 sq mi | 26763263893.194 bd |
| 90 sq mi | 30108671879.844 bd |
| 100 sq mi | 33454079866.493 bd |
| Square miles | Boards |
|---|---|
| 500 sq mi | 167270399332.47 bd |
| 1000 sq mi | 334540798664.93 bd |
| 1500 sq mi | 501811197997.4 bd |
| 10000 sq mi | 3345407986649.3 bd |
| 50000 sq mi | 16727039933247 bd |
| 100000 sq mi | 33454079866493 bd |
| 500000 sq mi | 1.6727039933247E+14 bd |
| 1000000 sq mi | 3.3454079866493E+14 bd |
| 5000000 sq mi | 1.6727039933247E+15 bd |
| 10000000 sq mi | 3.3454079866493E+15 bd |