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The board foot or board-foot is a unit of measurement for the volume of lumber in the United States and Canada [1]. It equals the volume of a board that is one foot (30.5 cm) in length, one foot in width, and one inch (2.54 cm) in thickness, or exactly 2.359 737 216 liters .
A board foot is a United States and Canadian unit of approximate volume, used for lumber. It is equivalent to 1 inch × 1 foot × 1 foot (144 cu in or 2,360 cm 3). It is also found in the unit of density pounds per board foot. In Australia and New Zealand the terms super foot or superficial foot were formerly used for this unit. The exact ...
The hoppus cubic foot (or ‘hoppus cube’ or ‘h cu ft’) was the standard volume measurement used for timber in the British Empire and countries in the British sphere of influence before the introduction of metric units. It is still used in the hardwood trade in some countries.
1 cubic foot = 0.028 316 846 592 = 28.316864592 = 1,728 cubic inches: ... Board foot, unit of lumber; Cord, a unit of dry volume used to measure firewood and pulpwood;
Metric prefixes; Text Symbol Factor or; yotta Y ... m3+board feet}} → 123 cubic yards (94 m 3; 40,000 board feet) The following converts a pressure to four output ...
historical definitions of the units and their derivatives used in old measurements; e.g., international foot vs. US survey foot. For some purposes, conversions from one system of units to another are needed to be exact, without increasing or decreasing the precision of the expressed quantity.
The "lumber koku" or "maritime koku" is defined as equal to 10 cubic shaku in the lumber or shipping industry, [29] compared with the standard koku measures 6.48 cubic shaku. [6] A lumber koku is conventionally accepted as equivalent to 120 board feet, but in practice may convert to less. [30]
The IEEE symbol for the cubic foot per second is ft 3 /s. [1] The following other abbreviations are also sometimes used: ft 3 /sec; cu ft/s; cfs or CFS; cusec; second-feet; The flow or discharge of rivers, i.e., the volume of water passing a location per unit of time, is commonly expressed in units of cubic feet per second or cubic metres per second.