Convert Acre-Foot (US Survey) (ac*ft (US)) to Board Foot (board foot) instantly.
About these units
Acre-Foot (US Survey) (ac*ft (US))
The US survey acre-foot differs extremely slightly from the international acre-foot due to the slight difference between the survey foot and the international foot. While the distinction is negligible in most contexts, it is important in surveying, legal water rights, and long-term hydrological accounting, especially in regions where large historical datasets were recorded using US survey measures. This variant highlights how even subtle unit differences can have major implications when dealing with huge volumes over long timescales, such as state water budgets and inter-state compacts.
Board Foot (board foot)
A board foot is a unit of volume used in lumber, defined as a board measuring 1 foot long × 1 foot wide × 1 inch thick, equal to 144 cubic inches, or about 2.36 liters. The unit reflects a material-centric approach to volume: rather than measuring empty space, the board foot measures solid wood content, crucial for pricing logs, boards, and woodworking materials. Forestry operations, sawmills, and lumber yards rely heavily on board-feet calculations to estimate yields from logs, determine pricing, and evaluate timber resources. The unit persists due to deep integration with North American construction and carpentry practices.