| Square kilometers | Boards |
|---|---|
| 1 km² | 129166925.00052 bd |
| 2 km² | 258333850.00103 bd |
| 3 km² | 387500775.00155 bd |
| 4 km² | 516667700.00207 bd |
| 5 km² | 645834625.00258 bd |
| 6 km² | 775001550.0031 bd |
| 7 km² | 904168475.00362 bd |
| 8 km² | 1033335400.0041 bd |
| 9 km² | 1162502325.0047 bd |
| 10 km² | 1291669250.0052 bd |
| Square kilometers | Boards |
|---|---|
| 15 km² | 1937503875.0078 bd |
| 20 km² | 2583338500.0103 bd |
| 30 km² | 3875007750.0155 bd |
| 40 km² | 5166677000.0207 bd |
| 50 km² | 6458346250.0258 bd |
| 60 km² | 7750015500.031 bd |
| 70 km² | 9041684750.0362 bd |
| 80 km² | 10333354000.041 bd |
| 90 km² | 11625023250.046 bd |
| 100 km² | 12916692500.052 bd |
| Square kilometers | Boards |
|---|---|
| 500 km² | 64583462500.258 bd |
| 1000 km² | 129166925000.52 bd |
| 1500 km² | 193750387500.77 bd |
| 10000 km² | 1291669250005.2 bd |
| 50000 km² | 6458346250025.8 bd |
| 100000 km² | 12916692500052 bd |
| 500000 km² | 64583462500258 bd |
| 1000000 km² | 1.2916692500052E+14 bd |
| 5000000 km² | 6.4583462500258E+14 bd |
| 10000000 km² | 1.2916692500052E+15 bd |