Board Feet Calculator

Calculate lumber board feet

Board Feet

Board feet formula: thickness (in) x width (in) x length (ft) / 12. One board foot equals 1 inch thick x 12 inches wide x 12 inches long (144 cubic inches). Hardwood typically priced by board foot. Example: 2x6x10 ft board equals 10 board feet.

Quick Tips

  • Always order 10-15% extra materials for waste
  • Check local building codes before starting
  • Measure twice, cut once — verify all inputs

Frequently Asked Questions

Volume unit: 1 inch thick x 12 inches wide x 12 inches long equals 144 cubic inches.

Standard pricing unit for rough lumber and hardwood. Accounts for thickness variations.

2x6x10 ft: (2 x 6 x 10) / 12 = 10 board feet.