Board Feet Calculator

Calculate board feet of lumber from thickness, width, length and quantity.

Thickness (in)

Width (in)

Length (ft)

Pieces

Board feet

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How it works

Board feet = thickness(in) × width(in) × length(ft) ÷ 12 × pieces

Frequently Asked Questions

What does the Board Feet Calculator do?

Calculate board feet of lumber from thickness, width, length and quantity.

Do I need to sign up?

No. It is free and runs entirely in your browser on any device.