board foot | 1 fbm | 2 fbm | 3 fbm | 4 fbm | 5 fbm | 6 fbm | 7 fbm | 8 fbm | 9 fbm | 10 fbm | 11 fbm | 12 fbm | 13 fbm | 14 fbm | 15 fbm | 16 fbm | 17 fbm | 18 fbm | 19 fbm | 20 fbm | 21 fbm | 22 fbm | 23 fbm | 24 fbm | 25 fbm | 26 fbm | 27 fbm | 28 fbm | 29 fbm | 30 fbm | 31 fbm | 32 fbm | 33 fbm | 34 fbm | 35 fbm | 36 fbm | 37 fbm | 38 fbm | 39 fbm | 40 fbm | 41 fbm | 42 fbm | 43 fbm | 44 fbm | 45 fbm | 46 fbm | 47 fbm | 48 fbm | 49 fbm | 50 fbm | 51 fbm | 52 fbm | 53 fbm | 54 fbm | 55 fbm | 56 fbm | 57 fbm | 58 fbm | 59 fbm | 60 fbm | 61 fbm | 62 fbm | 63 fbm | 64 fbm | 65 fbm | 66 fbm | 67 fbm | 68 fbm | 69 fbm | 70 fbm | 71 fbm | 72 fbm | 73 fbm | 74 fbm | 75 fbm | 76 fbm | 77 fbm | 78 fbm | 79 fbm | 80 fbm | 81 fbm | 82 fbm | 83 fbm | 84 fbm | 85 fbm | 86 fbm | 87 fbm | 88 fbm | 89 fbm | 90 fbm | 91 fbm | 92 fbm | 93 fbm | 94 fbm | 95 fbm | 96 fbm | 97 fbm | 98 fbm | 99 fbm | 100 fbm |
cubic inch | 144 cu in | 288 cu in | 432 cu in | 576 cu in | 720 cu in | 864 cu in | 1 008 cu in | 1 152 cu in | 1 296 cu in | 1 440 cu in | 1 584 cu in | 1 728 cu in | 1 872 cu in | 2 016 cu in | 2 160 cu in | 2 304 cu in | 2 448 cu in | 2 592 cu in | 2 736 cu in | 2 880 cu in | 3 024 cu in | 3 168 cu in | 3 312 cu in | 3 456 cu in | 3 600 cu in | 3 744 cu in | 3 888 cu in | 4 032 cu in | 4 176 cu in | 4 320 cu in | 4 464 cu in | 4 608 cu in | 4 752 cu in | 4 896 cu in | 5 040 cu in | 5 184 cu in | 5 328 cu in | 5 472 cu in | 5 616 cu in | 5 760 cu in | 5 904 cu in | 6 048 cu in | 6 192 cu in | 6 336 cu in | 6 480 cu in | 6 624 cu in | 6 768 cu in | 6 912 cu in | 7 056 cu in | 7 200 cu in | 7 344 cu in | 7 488 cu in | 7 632 cu in | 7 776 cu in | 7 920 cu in | 8 064 cu in | 8 208 cu in | 8 352 cu in | 8 496 cu in | 8 640 cu in | 8 784 cu in | 8 928 cu in | 9 072 cu in | 9 216 cu in | 9 360 cu in | 9 504 cu in | 9 648 cu in | 9 792 cu in | 9 936 cu in | 10 080 cu in | 10 224 cu in | 10 368 cu in | 10 512 cu in | 10 656 cu in | 10 800 cu in | 10 944 cu in | 11 088 cu in | 11 232 cu in | 11 376 cu in | 11 520 cu in | 11 664 cu in | 11 808 cu in | 11 952 cu in | 12 096 cu in | 12 240 cu in | 12 384 cu in | 12 528 cu in | 12 672 cu in | 12 816 cu in | 12 960 cu in | 13 104 cu in | 13 248 cu in | 13 392 cu in | 13 536 cu in | 13 680 cu in | 13 824 cu in | 13 968 cu in | 14 112 cu in | 14 256 cu in | 14 400 cu in |
The board-foot is a specialized unit of measure for the volume of lumber in the United States and Canada. It is the volume of a one-foot length of a board one foot wide and one inch thick.
Board-foot can be abbreviated FBM (for "foot, board measure"), BDFT, or BF. Thousand board-feet can be abbreviated as MFBM, MBFT, or MBF. Similarly, million board-feet can be abbreviated as MMFBM, MMBFT, or MMBF.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
board foot | fbm | ≡ 144 cu in | ≡ 2.359737216×10−3 m3 | Imperial/US |
board feet | cubic inches | board feet | cubic inches |
---|---|---|---|
1 | ≡ 144 | 6 | ≡ 864 |
2 | ≡ 288 | 7 | ≡ 1008 |
3 | ≡ 432 | 8 | ≡ 1152 |
4 | ≡ 576 | 9 | ≡ 1296 |
5 | ≡ 720 | 10 | ≡ 1440 |
The cubic inch is a unit of measurement for volume in the Imperial units and United States customary units systems. It is the volume of a cube with each of its three dimensions (length, width, and depth) being one inch long.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
cubic inch | cu in | ≡ 1 in × 1 in × 1 in | ≡ 16.387 064×10−6 m3 | Imperial/US |
cubic inches | board feet | cubic inches | board feet |
---|---|---|---|
1 | ≡ 0.0069444444444444 | 6 | ≡ 0.041666666666667 |
2 | ≡ 0.013888888888889 | 7 | ≡ 0.048611111111111 |
3 | ≡ 0.020833333333333 | 8 | ≡ 0.055555555555556 |
4 | ≡ 0.027777777777778 | 9 | ≡ 0.0625 |
5 | ≡ 0.034722222222222 | 10 | ≡ 0.069444444444444 |
board feet | cubic inches |
---|---|
1 | ≡ 144 |
0.0069444 | ≡ 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 …) |