Board Foot Calculator
Calculate board feet for hardwood lumber purchases.
Utilisez des decimales si necessaire. Cette estimation se met a jour en direct et peut etre ajustee en toute securite avant l'achat.
Board Foot Buying Guide
This guide helps you turn your board foot calculator result into a cleaner purchase plan. Use it when you want fewer return trips, better waste assumptions, and a more realistic cart.
Step 1: Understand the Board Foot
A board foot is a measure of volume, not length. It equals a piece of wood 12 inches wide, 12 inches long, and 1 inch thick (144 cubic inches).
Step 2: Know the rough thickness (Quarter System)
Hardwoods are sold by the quarter inch. '4/4' means 1 inch thick, '8/4' means 2 inches thick. Thicker boards cost exponentially more per board foot.
Step 3: Add heavy milling waste
If you buy rough-sawn lumber, you will lose material when you plane it flat and joint the edges. Add 20-30% waste to ensure you get enough finished usable wood.
Souvent utile pour ce projet
Outils et accessoires souvent associes
Ce sont les petits extras pratiques souvent oublies jusqu'au dernier moment, surtout quand une estimation devient une vraie liste d'achat.
Divulgation : ces liens peuvent etre des liens d'affiliation.
Lumber cost planning rule of thumb
Hardwood is priced per board foot, but prices fluctuate wildly based on the species, the width of the board, and the figure (like curly or bird's eye).
Understanding the Math
Formula: The basic formula for Board Foot Calculator typically involves calculating the total area or volume (Longueur × Largeur × Depth) and dividing by the coverage of a single unit or package, then adding a waste factor (usually 10%).
Example: For example, if you have a 10x10 area and your material covers 10 square feet per unit, you need 10 units. With a 10% waste factor, you should purchase 11 units to ensure you don't run short.
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FAQ Board Foot Calculator
Faut-il arrondir avant d acheter ?
Oui. Une petite marge couvre les coupes, la perte et les ajustements de derniere minute.
La disposition influence-t-elle la perte ?
Oui. Les plans simples demandent moins de marge, tandis que les angles, motifs et obstacles en demandent davantage.