Lumber Board Foot Calculator

Calculate board feet, total volume, and cost for lumber from thickness, width, length, and quantity. Supports inches and feet. Runs locally in your browser.

Thickness (in)

nominal or actual

Width (in)

board width

Length (ft)

board length

Quantity

number of boards

Price per BF

cost per board foot

Enter dimensions to calculate board feet.

Board feet = thickness(in) × width(in) × length(ft) ÷ 12. Total = BF × quantity. Runs locally — nothing leaves your browser.