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 |
quarter | 0.0081105 qt | 0.0162209 qt | 0.0243314 qt | 0.0324419 qt | 0.0405523 qt | 0.0486628 qt | 0.0567732 qt | 0.0648837 qt | 0.0729942 qt | 0.0811046 qt | 0.0892151 qt | 0.0973256 qt | 0.1054360 qt | 0.1135465 qt | 0.1216569 qt | 0.1297674 qt | 0.1378779 qt | 0.1459883 qt | 0.1540988 qt | 0.1622093 qt | 0.1703197 qt | 0.1784302 qt | 0.1865406 qt | 0.1946511 qt | 0.2027616 qt | 0.2108720 qt | 0.2189825 qt | 0.2270930 qt | 0.2352034 qt | 0.2433139 qt | 0.2514243 qt | 0.2595348 qt | 0.2676453 qt | 0.2757557 qt | 0.2838662 qt | 0.2919767 qt | 0.3000871 qt | 0.3081976 qt | 0.3163081 qt | 0.3244185 qt | 0.3325290 qt | 0.3406394 qt | 0.3487499 qt | 0.3568604 qt | 0.3649708 qt | 0.3730813 qt | 0.3811918 qt | 0.3893022 qt | 0.3974127 qt | 0.4055231 qt | 0.4136336 qt | 0.4217441 qt | 0.4298545 qt | 0.4379650 qt | 0.4460755 qt | 0.4541859 qt | 0.4622964 qt | 0.4704068 qt | 0.4785173 qt | 0.4866278 qt | 0.4947382 qt | 0.5028487 qt | 0.5109592 qt | 0.5190696 qt | 0.5271801 qt | 0.5352905 qt | 0.5434010 qt | 0.5515115 qt | 0.5596219 qt | 0.5677324 qt | 0.5758429 qt | 0.5839533 qt | 0.5920638 qt | 0.6001742 qt | 0.6082847 qt | 0.6163952 qt | 0.6245056 qt | 0.6326161 qt | 0.6407266 qt | 0.6488370 qt | 0.6569475 qt | 0.6650580 qt | 0.6731684 qt | 0.6812789 qt | 0.6893893 qt | 0.6974998 qt | 0.7056103 qt | 0.7137207 qt | 0.7218312 qt | 0.7299417 qt | 0.7380521 qt | 0.7461626 qt | 0.7542730 qt | 0.7623835 qt | 0.7704940 qt | 0.7786044 qt | 0.7867149 qt | 0.7948254 qt | 0.8029358 qt | 0.8110463 qt |
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 | quarters | board feet | quarters |
---|---|---|---|
1 | = 0.0081104628372953 | 6 | = 0.048662777023772 |
2 | = 0.016220925674591 | 7 | = 0.056773239861067 |
3 | = 0.024331388511886 | 8 | = 0.064883702698363 |
4 | = 0.032441851349181 | 9 | = 0.072994165535658 |
5 | = 0.040552314186477 | 10 | = 0.081104628372953 |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qt | ≡ 8 bu (imp) | = 0.29094976 m3 | Imperial/US |
quarters | board feet | quarters | board feet |
---|---|---|---|
1 | = 123.29752568517 | 6 | = 739.78515411099 |
2 | = 246.59505137033 | 7 | = 863.08267979616 |
3 | = 369.8925770555 | 8 | = 986.38020548132 |
4 | = 493.19010274066 | 9 | = 1109.6777311665 |
5 | = 616.48762842583 | 10 | = 1232.9752568517 |
board feet | quarters |
---|---|
1 | = 0.0081105 |
123.2975257 | = 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 …) |