|
|
|
|
|
|
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 …) |
1 US gill | ≡ 4 US fl oz |
≡ 1⁄32 US gallon | |
≡ 1⁄4 US pint | |
≡ 1⁄2 US cup | |
≡ 8 tablespoons | |
≡ 24 teaspoons | |
≡ 32 US fluid drams | |
≡ 7 7⁄32 in3 | |
≡ 118.29411825 ml | |
≈ 118 ml | |
≈ 5⁄6 imperial gills |
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.