US barrel (dry) | 1 bl (US) | 2 bl (US) | 3 bl (US) | 4 bl (US) | 5 bl (US) | 6 bl (US) | 7 bl (US) | 8 bl (US) | 9 bl (US) | 10 bl (US) | 11 bl (US) | 12 bl (US) | 13 bl (US) | 14 bl (US) | 15 bl (US) | 16 bl (US) | 17 bl (US) | 18 bl (US) | 19 bl (US) | 20 bl (US) | 21 bl (US) | 22 bl (US) | 23 bl (US) | 24 bl (US) | 25 bl (US) | 26 bl (US) | 27 bl (US) | 28 bl (US) | 29 bl (US) | 30 bl (US) | 31 bl (US) | 32 bl (US) | 33 bl (US) | 34 bl (US) | 35 bl (US) | 36 bl (US) | 37 bl (US) | 38 bl (US) | 39 bl (US) | 40 bl (US) | 41 bl (US) | 42 bl (US) | 43 bl (US) | 44 bl (US) | 45 bl (US) | 46 bl (US) | 47 bl (US) | 48 bl (US) | 49 bl (US) | 50 bl (US) | 51 bl (US) | 52 bl (US) | 53 bl (US) | 54 bl (US) | 55 bl (US) | 56 bl (US) | 57 bl (US) | 58 bl (US) | 59 bl (US) | 60 bl (US) | 61 bl (US) | 62 bl (US) | 63 bl (US) | 64 bl (US) | 65 bl (US) | 66 bl (US) | 67 bl (US) | 68 bl (US) | 69 bl (US) | 70 bl (US) | 71 bl (US) | 72 bl (US) | 73 bl (US) | 74 bl (US) | 75 bl (US) | 76 bl (US) | 77 bl (US) | 78 bl (US) | 79 bl (US) | 80 bl (US) | 81 bl (US) | 82 bl (US) | 83 bl (US) | 84 bl (US) | 85 bl (US) | 86 bl (US) | 87 bl (US) | 88 bl (US) | 89 bl (US) | 90 bl (US) | 91 bl (US) | 92 bl (US) | 93 bl (US) | 94 bl (US) | 95 bl (US) | 96 bl (US) | 97 bl (US) | 98 bl (US) | 99 bl (US) | 100 bl (US) |
board foot | 49.0004557 fbm | 98.0009115 fbm | 147.0013672 fbm | 196.0018229 fbm | 245.0022786 fbm | 294.0027344 fbm | 343.0031901 fbm | 392.0036458 fbm | 441.0041016 fbm | 490.0045573 fbm | 539.0050130 fbm | 588.0054688 fbm | 637.0059245 fbm | 686.0063802 fbm | 735.0068359 fbm | 784.0072917 fbm | 833.0077474 fbm | 882.0082031 fbm | 931.0086589 fbm | 980.0091146 fbm | 1,029.0095703 fbm | 1,078.0100260 fbm | 1,127.0104818 fbm | 1,176.0109375 fbm | 1,225.0113932 fbm | 1,274.0118490 fbm | 1,323.0123047 fbm | 1,372.0127604 fbm | 1,421.0132161 fbm | 1,470.0136719 fbm | 1,519.0141276 fbm | 1,568.0145833 fbm | 1,617.0150391 fbm | 1,666.0154948 fbm | 1,715.0159505 fbm | 1,764.0164063 fbm | 1,813.0168620 fbm | 1,862.0173177 fbm | 1,911.0177734 fbm | 1,960.0182292 fbm | 2,009.0186849 fbm | 2,058.0191406 fbm | 2,107.0195964 fbm | 2,156.0200521 fbm | 2,205.0205078 fbm | 2,254.0209635 fbm | 2,303.0214193 fbm | 2,352.021875 fbm | 2,401.0223307 fbm | 2,450.0227865 fbm | 2,499.0232422 fbm | 2,548.0236979 fbm | 2,597.0241536 fbm | 2,646.0246094 fbm | 2,695.0250651 fbm | 2,744.0255208 fbm | 2,793.0259766 fbm | 2,842.0264323 fbm | 2,891.0268880 fbm | 2,940.0273438 fbm | 2,989.0277995 fbm | 3,038.0282552 fbm | 3,087.0287109 fbm | 3,136.0291667 fbm | 3,185.0296224 fbm | 3,234.0300781 fbm | 3,283.0305339 fbm | 3,332.0309896 fbm | 3,381.0314453 fbm | 3,430.0319010 fbm | 3,479.0323568 fbm | 3,528.0328125 fbm | 3,577.0332682 fbm | 3,626.0337240 fbm | 3,675.0341797 fbm | 3,724.0346354 fbm | 3,773.0350911 fbm | 3,822.0355469 fbm | 3,871.0360026 fbm | 3,920.0364583 fbm | 3,969.0369141 fbm | 4,018.0373698 fbm | 4,067.0378255 fbm | 4,116.0382813 fbm | 4,165.0387370 fbm | 4,214.0391927 fbm | 4,263.0396484 fbm | 4,312.0401042 fbm | 4,361.0405599 fbm | 4,410.0410156 fbm | 4,459.0414714 fbm | 4,508.0419271 fbm | 4,557.0423828 fbm | 4,606.0428385 fbm | 4,655.0432943 fbm | 4,704.04375 fbm | 4,753.0442057 fbm | 4,802.0446615 fbm | 4,851.0451172 fbm | 4,900.0455729 fbm |
A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels (such as the UK beer barrel and US beer barrel), oil barrels and so on. For historical reasons the volumes of some barrel units are roughly double the volumes of others; volumes in common usage range from about 100 to 200 litres (22 to 44 imp gal; 26 to 53 US gal).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
US barrel (dry) | bl (US) | ≡ 105 qt (US) = 105/32 bu (US lvl) | = 0.115628198985075 m3 | Imperial/US |
US barrels (dry) | board feet | US barrels (dry) | board feet |
---|---|---|---|
1 | = 49.000455729167 | 6 | = 294.002734375 |
2 | = 98.000911458333 | 7 | = 343.00319010417 |
3 | = 147.0013671875 | 8 | = 392.00364583333 |
4 | = 196.00182291667 | 9 | = 441.0041015625 |
5 | = 245.00227864583 | 10 | = 490.00455729167 |
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 barrels (dry) | board feet | US barrels (dry) |
---|---|---|---|
1 | = 0.020407973459005 | 6 | = 0.12244784075403 |
2 | = 0.040815946918011 | 7 | = 0.14285581421304 |
3 | = 0.061223920377016 | 8 | = 0.16326378767204 |
4 | = 0.081631893836021 | 9 | = 0.18367176113105 |
5 | = 0.10203986729503 | 10 | = 0.20407973459005 |
US barrels (dry) | board feet |
---|---|
1 | = 49.0004557 |
0.0204080 | = 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 …) |