firkin | 1 firkin | 2 firkin | 3 firkin | 4 firkin | 5 firkin | 6 firkin | 7 firkin | 8 firkin | 9 firkin | 10 firkin | 11 firkin | 12 firkin | 13 firkin | 14 firkin | 15 firkin | 16 firkin | 17 firkin | 18 firkin | 19 firkin | 20 firkin | 21 firkin | 22 firkin | 23 firkin | 24 firkin | 25 firkin | 26 firkin | 27 firkin | 28 firkin | 29 firkin | 30 firkin | 31 firkin | 32 firkin | 33 firkin | 34 firkin | 35 firkin | 36 firkin | 37 firkin | 38 firkin | 39 firkin | 40 firkin | 41 firkin | 42 firkin | 43 firkin | 44 firkin | 45 firkin | 46 firkin | 47 firkin | 48 firkin | 49 firkin | 50 firkin | 51 firkin | 52 firkin | 53 firkin | 54 firkin | 55 firkin | 56 firkin | 57 firkin | 58 firkin | 59 firkin | 60 firkin | 61 firkin | 62 firkin | 63 firkin | 64 firkin | 65 firkin | 66 firkin | 67 firkin | 68 firkin | 69 firkin | 70 firkin | 71 firkin | 72 firkin | 73 firkin | 74 firkin | 75 firkin | 76 firkin | 77 firkin | 78 firkin | 79 firkin | 80 firkin | 81 firkin | 82 firkin | 83 firkin | 84 firkin | 85 firkin | 86 firkin | 87 firkin | 88 firkin | 89 firkin | 90 firkin | 91 firkin | 92 firkin | 93 firkin | 94 firkin | 95 firkin | 96 firkin | 97 firkin | 98 firkin | 99 firkin | 100 firkin |
board foot | 17.3387145 fbm | 34.6774291 fbm | 52.0161436 fbm | 69.3548582 fbm | 86.6935727 fbm | 104.0322873 fbm | 121.3710018 fbm | 138.7097164 fbm | 156.0484309 fbm | 173.3871455 fbm | 190.7258600 fbm | 208.0645746 fbm | 225.4032891 fbm | 242.7420037 fbm | 260.0807182 fbm | 277.4194328 fbm | 294.7581473 fbm | 312.0968619 fbm | 329.4355764 fbm | 346.7742910 fbm | 364.1130055 fbm | 381.4517201 fbm | 398.7904346 fbm | 416.1291492 fbm | 433.4678637 fbm | 450.8065783 fbm | 468.1452928 fbm | 485.4840074 fbm | 502.8227219 fbm | 520.1614365 fbm | 537.5001510 fbm | 554.8388656 fbm | 572.1775801 fbm | 589.5162947 fbm | 606.8550092 fbm | 624.1937238 fbm | 641.5324383 fbm | 658.8711529 fbm | 676.2098674 fbm | 693.5485820 fbm | 710.8872965 fbm | 728.2260111 fbm | 745.5647256 fbm | 762.9034402 fbm | 780.2421547 fbm | 797.5808693 fbm | 814.9195838 fbm | 832.2582984 fbm | 849.5970129 fbm | 866.9357275 fbm | 884.2744420 fbm | 901.6131566 fbm | 918.9518711 fbm | 936.2905857 fbm | 953.6293002 fbm | 970.9680148 fbm | 988.3067293 fbm | 1,005.6454439 fbm | 1,022.9841584 fbm | 1,040.3228730 fbm | 1,057.6615875 fbm | 1,075.0003021 fbm | 1,092.3390166 fbm | 1,109.6777312 fbm | 1,127.0164457 fbm | 1,144.3551603 fbm | 1,161.6938748 fbm | 1,179.0325894 fbm | 1,196.3713039 fbm | 1,213.7100185 fbm | 1,231.0487330 fbm | 1,248.3874476 fbm | 1,265.7261621 fbm | 1,283.0648767 fbm | 1,300.4035912 fbm | 1,317.7423058 fbm | 1,335.0810203 fbm | 1,352.4197349 fbm | 1,369.7584494 fbm | 1,387.0971640 fbm | 1,404.4358785 fbm | 1,421.7745931 fbm | 1,439.1133076 fbm | 1,456.4520222 fbm | 1,473.7907367 fbm | 1,491.1294513 fbm | 1,508.4681658 fbm | 1,525.8068804 fbm | 1,543.1455949 fbm | 1,560.4843095 fbm | 1,577.8230240 fbm | 1,595.1617386 fbm | 1,612.5004531 fbm | 1,629.8391677 fbm | 1,647.1778822 fbm | 1,664.5165967 fbm | 1,681.8553113 fbm | 1,699.1940258 fbm | 1,716.5327404 fbm | 1,733.8714549 fbm |
The ale or beer firkin (from Middle Dutch vierdekijn meaning "fourth") is a quarter of an ale or beer barrel or half a kilderkin. This unit is much smaller than the wine firkin. Casks in this size (themselves called firkins) are the most common container for cask ale.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
firkin | ≡ 9 gal (imp) | = 0.04091481 m3 | Imperial/US |
firkins | board feet | firkins | board feet |
---|---|---|---|
1 | = 17.338714549476 | 6 | = 104.03228729686 |
2 | = 34.677429098953 | 7 | = 121.37100184633 |
3 | = 52.016143648429 | 8 | = 138.70971639581 |
4 | = 69.354858197905 | 9 | = 156.04843094529 |
5 | = 86.693572747382 | 10 | = 173.38714549476 |
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 | firkins | board feet | firkins |
---|---|---|---|
1 | = 0.057674402398545 | 6 | = 0.34604641439127 |
2 | = 0.11534880479709 | 7 | = 0.40372081678981 |
3 | = 0.17302320719563 | 8 | = 0.46139521918836 |
4 | = 0.23069760959418 | 9 | = 0.5190696215869 |
5 | = 0.28837201199272 | 10 | = 0.57674402398545 |
firkins | board feet |
---|---|
1 | = 17.3387145 |
0.0576744 | = 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 …) |