US Cups to Board Feet (cup to bf)
1 US cup equals 0.1002604167 board feet (rounded).
How to convert US cups to board feet
To convert US cups to board feet, multiply the number of US cups by 0.1002604167. The factor is rounded to 10 significant digits. To go the other way, multiply board feet by 9.974025974 (rounded).
board feet = US cups × 0.1002604167
Example: 10 US cups = 1.002604167 board feet.
Pints, quarts, gallons and fluid ounces differ between the US and the UK. Units are labeled 'US' or 'imperial' to avoid confusion.
About these units
US Cup (cup)
One sixteenth of a US gallon, 236.588 mL (8 US fluid ounces). The standard US recipe cup.
Cups began as household drinking vessels, not scientific units, which is why they remain the messiest measures in the kitchen. The US customary cup was defined by slicing up the gallon: half a pint, or eight US fluid ounces, about 236.6 milliliters. Unlike the larger units, nobody ever fixed it to a physical vessel, so it exists only as a fraction of the gallon.
The customary cup is not the only American cup. For nutrition labels, US regulation defines a cup as exactly 240 milliliters, a rounder figure that sits slightly above the customary size. Packaged foods therefore list a serving in the legal cup while a measuring cup from the hardware store follows the customary definition. The gap is 3.4 milliliters, which hardly matters for soup but can matter in baking. Cup measures also hide the weight of dry ingredients, since a cup of sifted flour and a cup of packed flour differ substantially, which is why much of the world prefers grams.
1 US cup = 0.2365882365 liters (exactly).
Sources: Wikipedia: Cup (unit); NIST SP 811, Appendix B.8: conversion factors for volume; 21 CFR 101.9: nutrition labeling household measures
Board Foot (bf)
144 cubic inches, a board 1 ft × 1 ft × 1 in. The standard unit for lumber in North America.
Lumber buyers in North America price timber by the board foot, the volume of a board 1 foot long, 1 foot wide and 1 inch thick. That is 144 cubic inches, one twelfth of a cubic foot, or about 2.36 liters. Thousands of board feet are written MBF, a shorthand common in sawmill and timber sale contracts.
A quirk makes the unit slightly slippery. Rough lumber is measured at its full sawn size, but planed softwood such as a retail two-by-four is counted by its nominal dimensions even though the finished board is smaller, so the calculated footage overstates the wood actually present. Hardwoods are measured at actual size and avoid this gap.
Foresters also estimate how many board feet a log will yield using log rules such as the Doyle rule, which allow for taper, saw kerf and waste. In Australia and New Zealand the same quantity was called the super foot or superficial foot until the 1970s. Related timber units include the cord, the Hoppus foot and the stere.
1 board foot = 2.359737216 liters (exactly).
Sources: Wikipedia: Board foot; Wikipedia: Stere
Related conversions
- Board feet to US cups (reverse)
- US cups to liters
- US cups to milliliters
- US cups to US gallons
- US cups to US fluid ounces
- US cups to cubic meters
- US cups to cubic centimeters
- US cups to US quarts
- US cups to US pints
- US cups to US tablespoons
- US cups to US teaspoons
- US cups to metric cups
- US cups to metric tablespoons
- Liters to board feet
- Milliliters to board feet
- US gallons to board feet
- US fluid ounces to board feet
See all volume units.