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 |
pipe | 0.0049474 pipe | 0.0098949 pipe | 0.0148423 pipe | 0.0197897 pipe | 0.0247372 pipe | 0.0296846 pipe | 0.0346320 pipe | 0.0395795 pipe | 0.0445269 pipe | 0.0494743 pipe | 0.0544218 pipe | 0.0593692 pipe | 0.0643166 pipe | 0.0692641 pipe | 0.0742115 pipe | 0.0791589 pipe | 0.0841064 pipe | 0.0890538 pipe | 0.0940012 pipe | 0.0989487 pipe | 0.1038961 pipe | 0.1088435 pipe | 0.1137910 pipe | 0.1187384 pipe | 0.1236858 pipe | 0.1286333 pipe | 0.1335807 pipe | 0.1385281 pipe | 0.1434756 pipe | 0.1484230 pipe | 0.1533704 pipe | 0.1583179 pipe | 0.1632653 pipe | 0.1682127 pipe | 0.1731602 pipe | 0.1781076 pipe | 0.1830550 pipe | 0.1880025 pipe | 0.1929499 pipe | 0.1978973 pipe | 0.2028448 pipe | 0.2077922 pipe | 0.2127396 pipe | 0.2176871 pipe | 0.2226345 pipe | 0.2275819 pipe | 0.2325294 pipe | 0.2374768 pipe | 0.2424242 pipe | 0.2473717 pipe | 0.2523191 pipe | 0.2572665 pipe | 0.2622140 pipe | 0.2671614 pipe | 0.2721088 pipe | 0.2770563 pipe | 0.2820037 pipe | 0.2869511 pipe | 0.2918986 pipe | 0.2968460 pipe | 0.3017934 pipe | 0.3067409 pipe | 0.3116883 pipe | 0.3166357 pipe | 0.3215832 pipe | 0.3265306 pipe | 0.3314780 pipe | 0.3364255 pipe | 0.3413729 pipe | 0.3463203 pipe | 0.3512678 pipe | 0.3562152 pipe | 0.3611626 pipe | 0.3661101 pipe | 0.3710575 pipe | 0.3760049 pipe | 0.3809524 pipe | 0.3858998 pipe | 0.3908472 pipe | 0.3957947 pipe | 0.4007421 pipe | 0.4056895 pipe | 0.4106370 pipe | 0.4155844 pipe | 0.4205318 pipe | 0.4254793 pipe | 0.4304267 pipe | 0.4353741 pipe | 0.4403216 pipe | 0.4452690 pipe | 0.4502165 pipe | 0.4551639 pipe | 0.4601113 pipe | 0.4650588 pipe | 0.4700062 pipe | 0.4749536 pipe | 0.4799011 pipe | 0.4848485 pipe | 0.4897959 pipe | 0.4947434 pipe |
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 | pipes | board feet | pipes |
---|---|---|---|
1 | = 0.0049474335188621 | 6 | = 0.029684601113173 |
2 | = 0.0098948670377242 | 7 | = 0.034632034632035 |
3 | = 0.014842300556586 | 8 | = 0.039579468150897 |
4 | = 0.019789734075448 | 9 | = 0.044526901669759 |
5 | = 0.02473716759431 | 10 | = 0.049474335188621 |
The pipe was a measure of liquid volume equalling two hogsheads. This equated to 108 imperial gallons (490 l) for ale or 126 imperial gallons (570 l) for wine (also known as a butt).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
pipe | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
pipes | board feet | pipes | board feet |
---|---|---|---|
1 | = 202.125 | 6 | = 1212.75 |
2 | = 404.25 | 7 | = 1414.875 |
3 | = 606.375 | 8 | = 1617 |
4 | = 808.5 | 9 | = 1819.125 |
5 | = 1010.625 | 10 | = 2021.25 |
board feet | pipes |
---|---|
1 | = 0.0049474 |
202.125 | = 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 …) |