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Symbol | Definition |
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≡ | 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 …) |
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.
In the United States, the customary cup is half of a liquid pint.
1 U.S. customary cup | = | 1⁄16 | U.S. customary gallon |
= | 1⁄4 | U.S. customary quart | |
= | 1⁄2 | U.S. customary pint | |
= | 8 | U.S. customary fluid ounces | |
= | 16 | U.S. customary tablespoons | |
= | 48 | U.S. customary teaspoons | |
≡ | 236.5882365 | millilitres exactly | |
≈ | 15 2⁄3 | international tablespoons | |
≈ | 11.75 | Australian tablespoons | |
≈ | 0.833 | imperial cups | |
≈ | 8.33 | imperial fluid ounces |