| section | 1 section | 2 section | 3 section | 4 section | 5 section | 6 section | 7 section | 8 section | 9 section | 10 section | 11 section | 12 section | 13 section | 14 section | 15 section | 16 section | 17 section | 18 section | 19 section | 20 section | 21 section | 22 section | 23 section | 24 section | 25 section | 26 section | 27 section | 28 section | 29 section | 30 section | 31 section | 32 section | 33 section | 34 section | 35 section | 36 section | 37 section | 38 section | 39 section | 40 section | 41 section | 42 section | 43 section | 44 section | 45 section | 46 section | 47 section | 48 section | 49 section | 50 section | 51 section | 52 section | 53 section | 54 section | 55 section | 56 section | 57 section | 58 section | 59 section | 60 section | 61 section | 62 section | 63 section | 64 section | 65 section | 66 section | 67 section | 68 section | 69 section | 70 section | 71 section | 72 section | 73 section | 74 section | 75 section | 76 section | 77 section | 78 section | 79 section | 80 section | 81 section | 82 section | 83 section | 84 section | 85 section | 86 section | 87 section | 88 section | 89 section | 90 section | 91 section | 92 section | 93 section | 94 section | 95 section | 96 section | 97 section | 98 section | 99 section | 100 section |
| board | 334 540 800 bd | 669 081 600 bd | 1 003 622 400 bd | 1 338 163 200 bd | 1 672 704 000 bd | 2 007 244 800 bd | 2 341 785 600 bd | 2 676 326 400 bd | 3 010 867 200 bd | 3 345 408 000 bd | 3 679 948 800 bd | 4 014 489 600 bd | 4 349 030 400 bd | 4 683 571 200 bd | 5 018 112 000 bd | 5 352 652 800 bd | 5 687 193 600 bd | 6 021 734 400 bd | 6 356 275 200 bd | 6 690 816 000 bd | 7 025 356 800 bd | 7 359 897 600 bd | 7 694 438 400 bd | 8 028 979 200 bd | 8 363 520 000 bd | 8 698 060 800 bd | 9 032 601 600 bd | 9 367 142 400 bd | 9 701 683 200 bd | 10 036 224 000 bd | 10 370 764 800 bd | 10 705 305 600 bd | 11 039 846 400 bd | 11 374 387 200 bd | 11 708 928 000 bd | 12 043 468 800 bd | 12 378 009 600 bd | 12 712 550 400 bd | 13 047 091 200 bd | 13 381 632 000 bd | 13 716 172 800 bd | 14 050 713 600 bd | 14 385 254 400 bd | 14 719 795 200 bd | 15 054 336 000 bd | 15 388 876 800 bd | 15 723 417 600 bd | 16 057 958 400 bd | 16 392 499 200 bd | 16 727 040 000 bd | 17 061 580 800 bd | 17 396 121 600 bd | 17 730 662 400 bd | 18 065 203 200 bd | 18 399 744 000 bd | 18 734 284 800 bd | 19 068 825 600 bd | 19 403 366 400 bd | 19 737 907 200 bd | 20 072 448 000 bd | 20 406 988 800 bd | 20 741 529 600 bd | 21 076 070 400 bd | 21 410 611 200 bd | 21 745 152 000 bd | 22 079 692 800 bd | 22 414 233 600 bd | 22 748 774 400 bd | 23 083 315 200 bd | 23 417 856 000 bd | 23 752 396 800 bd | 24 086 937 600 bd | 24 421 478 400 bd | 24 756 019 200 bd | 25 090 560 000 bd | 25 425 100 800 bd | 25 759 641 600 bd | 26 094 182 400 bd | 26 428 723 200 bd | 26 763 264 000 bd | 27 097 804 800 bd | 27 432 345 600 bd | 27 766 886 400 bd | 28 101 427 200 bd | 28 435 968 000 bd | 28 770 508 800 bd | 29 105 049 600 bd | 29 439 590 400 bd | 29 774 131 200 bd | 30 108 672 000 bd | 30 443 212 800 bd | 30 777 753 600 bd | 31 112 294 400 bd | 31 446 835 200 bd | 31 781 376 000 bd | 32 115 916 800 bd | 32 450 457 600 bd | 32 784 998 400 bd | 33 119 539 200 bd | 33 454 080 000 bd |
a section is an area nominally one square mile (2.6 square kilometers), containing 640 acres (260 hectares), with 36 sections making up one survey township on a rectangular grid.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| section | ≡ 1 mi × 1 mi | = 2.589988110336×106 m2 | Imperial/US |
| sections | boards | sections | boards |
|---|---|---|---|
| 1 | = 334540800 | 6 | = 2007244800 |
| 2 | = 669081600 | 7 | = 2341785600 |
| 3 | = 1003622400 | 8 | = 2676326400 |
| 4 | = 1338163200 | 9 | = 3010867200 |
| 5 | = 1672704000 | 10 | = 3345408000 |
Board is a unit of area.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| board | bd | ≡ 1 in × 1 ft | ≡ 7.74192×10−3 m2 | Other |
| boards | sections | boards | sections |
|---|---|---|---|
| 1 | = 2.9891720232629E-9 | 6 | = 1.7935032139578E-8 |
| 2 | = 5.9783440465259E-9 | 7 | = 2.0924204162841E-8 |
| 3 | = 8.9675160697888E-9 | 8 | = 2.3913376186103E-8 |
| 4 | = 1.1956688093052E-8 | 9 | = 2.6902548209366E-8 |
| 5 | = 1.4945860116315E-8 | 10 | = 2.9891720232629E-8 |
| sections | boards |
|---|---|
| 1 | = 334 540 800 |
| 2.9891720232629 × 10-9 | = 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |