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 |
drop (US) | 28,725.1948052 gtt | 57,450.3896104 gtt | 86,175.5844156 gtt | 114,900.7792208 gtt | 143,625.9740260 gtt | 172,351.1688312 gtt | 201,076.3636364 gtt | 229,801.5584416 gtt | 258,526.7532468 gtt | 287,251.9480520 gtt | 315,977.1428572 gtt | 344,702.3376624 gtt | 373,427.5324676 gtt | 402,152.7272728 gtt | 430,877.9220780 gtt | 459,603.1168832 gtt | 488,328.3116884 gtt | 517,053.5064936 gtt | 545,778.7012988 gtt | 574,503.8961039 gtt | 603,229.0909091 gtt | 631,954.2857143 gtt | 660,679.4805195 gtt | 689,404.6753247 gtt | 718,129.8701299 gtt | 746,855.0649351 gtt | 775,580.2597403 gtt | 804,305.4545455 gtt | 833,030.6493507 gtt | 861,755.8441559 gtt | 890,481.0389611 gtt | 919,206.2337663 gtt | 947,931.4285715 gtt | 976,656.6233767 gtt | 1,005,381.8181819 gtt | 1,034,107.0129871 gtt | 1,062,832.2077923 gtt | 1,091,557.4025975 gtt | 1,120,282.5974027 gtt | 1,149,007.7922079 gtt | 1,177,732.9870131 gtt | 1,206,458.1818183 gtt | 1,235,183.3766235 gtt | 1,263,908.5714287 gtt | 1,292,633.7662339 gtt | 1,321,358.9610391 gtt | 1,350,084.1558443 gtt | 1,378,809.3506495 gtt | 1,407,534.5454547 gtt | 1,436,259.7402599 gtt | 1,464,984.9350651 gtt | 1,493,710.1298703 gtt | 1,522,435.3246754 gtt | 1,551,160.5194806 gtt | 1,579,885.7142858 gtt | 1,608,610.909091 gtt | 1,637,336.1038962 gtt | 1,666,061.2987014 gtt | 1,694,786.4935066 gtt | 1,723,511.6883118 gtt | 1,752,236.883117 gtt | 1,780,962.0779222 gtt | 1,809,687.2727274 gtt | 1,838,412.4675326 gtt | 1,867,137.6623378 gtt | 1,895,862.857143 gtt | 1,924,588.0519482 gtt | 1,953,313.2467534 gtt | 1,982,038.4415586 gtt | 2,010,763.6363638 gtt | 2,039,488.831169 gtt | 2,068,214.0259742 gtt | 2,096,939.2207794 gtt | 2,125,664.4155846 gtt | 2,154,389.6103898 gtt | 2,183,114.805195 gtt | 2,211,840.0000002 gtt | 2,240,565.1948054 gtt | 2,269,290.3896106 gtt | 2,298,015.5844158 gtt | 2,326,740.779221 gtt | 2,355,465.9740262 gtt | 2,384,191.1688314 gtt | 2,412,916.3636366 gtt | 2,441,641.5584418 gtt | 2,470,366.753247 gtt | 2,499,091.9480522 gtt | 2,527,817.1428573 gtt | 2,556,542.3376625 gtt | 2,585,267.5324677 gtt | 2,613,992.7272729 gtt | 2,642,717.9220781 gtt | 2,671,443.1168833 gtt | 2,700,168.3116885 gtt | 2,728,893.5064937 gtt | 2,757,618.7012989 gtt | 2,786,343.8961041 gtt | 2,815,069.0909093 gtt | 2,843,794.2857145 gtt | 2,872,519.4805197 gtt |
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 | drops (US) | board feet | drops (US) |
---|---|---|---|
1 | = 28725.194805197 | 6 | = 172351.16883118 |
2 | = 57450.389610394 | 7 | = 201076.36363638 |
3 | = 86175.584415591 | 8 | = 229801.55844158 |
4 | = 114900.77922079 | 9 | = 258526.75324677 |
5 | = 143625.97402599 | 10 | = 287251.94805197 |
The drop is an approximated unit of measure of volume, the amount dispensed as one drop from a dropper or drip chamber. It is often used in giving quantities of liquid drugs to patients, and occasionally in cooking.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
drop (US) | gtt | ≡ 1⁄360 US fl oz | = 82.14869322916×10−9 m3 | Imperial/US |
drops (US) | board feet | drops (US) | board feet |
---|---|---|---|
1 | = 3.4812644675923E-5 | 6 | = 0.00020887586805554 |
2 | = 6.9625289351846E-5 | 7 | = 0.00024368851273146 |
3 | = 0.00010443793402777 | 8 | = 0.00027850115740738 |
4 | = 0.00013925057870369 | 9 | = 0.00031331380208331 |
5 | = 0.00017406322337962 | 10 | = 0.00034812644675923 |
board feet | drops (US) |
---|---|
1 | = 28,725.1948052 |
3.4812644675923 × 10-5 | = 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 …) |