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 |
US cup | 9.9740260 c (US) | 19.9480519 c (US) | 29.9220779 c (US) | 39.8961039 c (US) | 49.8701299 c (US) | 59.8441558 c (US) | 69.8181818 c (US) | 79.7922078 c (US) | 89.7662338 c (US) | 99.7402597 c (US) | 109.7142857 c (US) | 119.6883117 c (US) | 129.6623377 c (US) | 139.6363636 c (US) | 149.6103896 c (US) | 159.5844156 c (US) | 169.5584416 c (US) | 179.5324675 c (US) | 189.5064935 c (US) | 199.4805195 c (US) | 209.4545455 c (US) | 219.4285714 c (US) | 229.4025974 c (US) | 239.3766234 c (US) | 249.3506494 c (US) | 259.3246753 c (US) | 269.2987013 c (US) | 279.2727273 c (US) | 289.2467532 c (US) | 299.2207792 c (US) | 309.1948052 c (US) | 319.1688312 c (US) | 329.1428571 c (US) | 339.1168831 c (US) | 349.0909091 c (US) | 359.0649351 c (US) | 369.0389610 c (US) | 379.0129870 c (US) | 388.9870130 c (US) | 398.9610390 c (US) | 408.9350649 c (US) | 418.9090909 c (US) | 428.8831169 c (US) | 438.8571429 c (US) | 448.8311688 c (US) | 458.8051948 c (US) | 468.7792208 c (US) | 478.7532468 c (US) | 488.7272727 c (US) | 498.7012987 c (US) | 508.6753247 c (US) | 518.6493506 c (US) | 528.6233766 c (US) | 538.5974026 c (US) | 548.5714286 c (US) | 558.5454545 c (US) | 568.5194805 c (US) | 578.4935065 c (US) | 588.4675325 c (US) | 598.4415584 c (US) | 608.4155844 c (US) | 618.3896104 c (US) | 628.3636364 c (US) | 638.3376623 c (US) | 648.3116883 c (US) | 658.2857143 c (US) | 668.2597403 c (US) | 678.2337662 c (US) | 688.2077922 c (US) | 698.1818182 c (US) | 708.1558442 c (US) | 718.1298701 c (US) | 728.1038961 c (US) | 738.0779221 c (US) | 748.0519481 c (US) | 758.0259740 c (US) | 768 c (US) | 777.9740260 c (US) | 787.9480519 c (US) | 797.9220779 c (US) | 807.8961039 c (US) | 817.8701299 c (US) | 827.8441558 c (US) | 837.8181818 c (US) | 847.7922078 c (US) | 857.7662338 c (US) | 867.7402597 c (US) | 877.7142857 c (US) | 887.6883117 c (US) | 897.6623377 c (US) | 907.6363636 c (US) | 917.6103896 c (US) | 927.5844156 c (US) | 937.5584416 c (US) | 947.5324675 c (US) | 957.5064935 c (US) | 967.4805195 c (US) | 977.4545455 c (US) | 987.4285714 c (US) | 997.4025974 c (US) |
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 | US cups | board feet | US cups |
---|---|---|---|
1 | = 9.974025974026 | 6 | = 59.844155844156 |
2 | = 19.948051948052 | 7 | = 69.818181818182 |
3 | = 29.922077922078 | 8 | = 79.792207792208 |
4 | = 39.896103896104 | 9 | = 89.766233766234 |
5 | = 49.87012987013 | 10 | = 99.74025974026 |
In the United States, the customary cup is half of a liquid pint.
1 U.S. customary cup | = | 1⁄16 | U.S. customary gallon |
= | 1⁄4 | U.S. customary quart | |
= | 1⁄2 | U.S. customary pint | |
= | 8 | U.S. customary fluid ounces | |
= | 16 | U.S. customary tablespoons | |
= | 48 | U.S. customary teaspoons | |
≡ | 236.5882365 | millilitres exactly | |
≈ | 15 2⁄3 | international tablespoons | |
≈ | 11.75 | Australian tablespoons | |
≈ | 0.833 | imperial cups | |
≈ | 8.33 | imperial fluid ounces |
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
US cup | c (US) | ≡ 8 US fl oz ≡ 1⁄16 gal (US) | = 236.5882365×10−6 m3 | Imperial/US |
US cups | board feet | US cups | board feet |
---|---|---|---|
1 | = 0.10026041666667 | 6 | = 0.6015625 |
2 | = 0.20052083333333 | 7 | = 0.70182291666667 |
3 | = 0.30078125 | 8 | = 0.80208333333333 |
4 | = 0.40104166666667 | 9 | = 0.90234375 |
5 | = 0.50130208333333 | 10 | = 1.0026041666667 |
board feet | US cups |
---|---|
1 | = 9.9740260 |
0.1002604 | = 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 …) |