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 |
acre-foot | 1.9130700948883 × 10-6 ac ft | 3.8261401897766 × 10-6 ac ft | 5.7392102846648 × 10-6 ac ft | 7.6522803795531 × 10-6 ac ft | 9.5653504744414 × 10-6 ac ft | 1.147842056933 × 10-5 ac ft | 1.3391490664218 × 10-5 ac ft | 1.5304560759106 × 10-5 ac ft | 1.7217630853994 × 10-5 ac ft | 1.9130700948883 × 10-5 ac ft | 2.1043771043771 × 10-5 ac ft | 2.2956841138659 × 10-5 ac ft | 2.4869911233548 × 10-5 ac ft | 2.6782981328436 × 10-5 ac ft | 2.8696051423324 × 10-5 ac ft | 3.0609121518212 × 10-5 ac ft | 3.2522191613101 × 10-5 ac ft | 3.4435261707989 × 10-5 ac ft | 3.6348331802877 × 10-5 ac ft | 3.8261401897766 × 10-5 ac ft | 4.0174471992654 × 10-5 ac ft | 4.2087542087542 × 10-5 ac ft | 4.400061218243 × 10-5 ac ft | 4.5913682277319 × 10-5 ac ft | 4.7826752372207 × 10-5 ac ft | 4.9739822467095 × 10-5 ac ft | 5.1652892561983 × 10-5 ac ft | 5.3565962656872 × 10-5 ac ft | 5.547903275176 × 10-5 ac ft | 5.7392102846648 × 10-5 ac ft | 5.9305172941537 × 10-5 ac ft | 6.1218243036425 × 10-5 ac ft | 6.3131313131313 × 10-5 ac ft | 6.5044383226201 × 10-5 ac ft | 6.695745332109 × 10-5 ac ft | 6.8870523415978 × 10-5 ac ft | 7.0783593510866 × 10-5 ac ft | 7.2696663605755 × 10-5 ac ft | 7.4609733700643 × 10-5 ac ft | 7.6522803795531 × 10-5 ac ft | 7.8435873890419 × 10-5 ac ft | 8.0348943985308 × 10-5 ac ft | 8.2262014080196 × 10-5 ac ft | 8.4175084175084 × 10-5 ac ft | 8.6088154269972 × 10-5 ac ft | 8.8001224364861 × 10-5 ac ft | 8.9914294459749 × 10-5 ac ft | 9.1827364554637 × 10-5 ac ft | 9.3740434649526 × 10-5 ac ft | 9.5653504744414 × 10-5 ac ft | 9.7566574839302 × 10-5 ac ft | 9.947964493419 × 10-5 ac ft | 0.0001014 ac ft | 0.0001033 ac ft | 0.0001052 ac ft | 0.0001071 ac ft | 0.0001090 ac ft | 0.0001110 ac ft | 0.0001129 ac ft | 0.0001148 ac ft | 0.0001167 ac ft | 0.0001186 ac ft | 0.0001205 ac ft | 0.0001224 ac ft | 0.0001243 ac ft | 0.0001263 ac ft | 0.0001282 ac ft | 0.0001301 ac ft | 0.0001320 ac ft | 0.0001339 ac ft | 0.0001358 ac ft | 0.0001377 ac ft | 0.0001397 ac ft | 0.0001416 ac ft | 0.0001435 ac ft | 0.0001454 ac ft | 0.0001473 ac ft | 0.0001492 ac ft | 0.0001511 ac ft | 0.0001530 ac ft | 0.0001550 ac ft | 0.0001569 ac ft | 0.0001588 ac ft | 0.0001607 ac ft | 0.0001626 ac ft | 0.0001645 ac ft | 0.0001664 ac ft | 0.0001684 ac ft | 0.0001703 ac ft | 0.0001722 ac ft | 0.0001741 ac ft | 0.0001760 ac ft | 0.0001779 ac ft | 0.0001798 ac ft | 0.0001817 ac ft | 0.0001837 ac ft | 0.0001856 ac ft | 0.0001875 ac ft | 0.0001894 ac ft | 0.0001913 ac ft |
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 | acre-feet | board feet | acre-feet |
---|---|---|---|
1 | = 1.9130700948883E-6 | 6 | = 1.147842056933E-5 |
2 | = 3.8261401897766E-6 | 7 | = 1.3391490664218E-5 |
3 | = 5.7392102846648E-6 | 8 | = 1.5304560759106E-5 |
4 | = 7.6522803795531E-6 | 9 | = 1.7217630853994E-5 |
5 | = 9.5653504744414E-6 | 10 | = 1.9130700948883E-5 |
The acre-foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
acre-foot | ac ft | ≡ 1 ac x 1 ft = 43560 cu ft | = 1233.48183754752 m3 | Imperial/US |
acre-feet | board feet | acre-feet | board feet |
---|---|---|---|
1 | = 522720 | 6 | = 3136320 |
2 | = 1045440 | 7 | = 3659040 |
3 | = 1568160 | 8 | = 4181760 |
4 | = 2090880 | 9 | = 4704480 |
5 | = 2613600 | 10 | = 5227200 |
board feet | acre-feet |
---|---|
1 | = 1.9130700948883 × 10-6 |
522 720 | = 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 …) |