Board Feet Calculator

Summary

Calculate board feet of lumber from thickness, width, and length; add multiple boards and estimate total project cost.

How it works

1. Enter the thickness, width, and length of a board using inches or feet.
2. Click "Add Board" to add it to your project list.
3. Repeat for each different board size in your project.
4. Optionally enter a price per board foot or per MBF to calculate material cost.
5. Review the running total and per-board breakdown in the results table.
6. Click "Clear All" to reset and start a new project estimate.

Use cases

• Estimating lumber quantities for framing, decking, or flooring projects.
• Calculating wood costs when ordering from a lumber yard.
• Comparing different board dimensions to optimize material use.
• Preparing material takeoffs for carpentry and woodworking projects.
• Verifying lumber invoices from suppliers that price by the board foot.
• Planning hardwood purchases for furniture building or cabinetry.
• Teaching students and apprentices the board foot measurement standard.

Frequently Asked Questions