🪵 Lumber Calculator
Calculate lumber volume, board feet, and material costs for woodworking projects.
About Lumber Calculator
Estimate lumber requirements for construction and woodworking. Calculate board feet, volume, and cost based on dimensions (length, width, thickness) and quantity. Supports multiple lumber sizes and unit systems.
Features
- Board feet calculation
- Multiple dimensions
- Cost estimation
Frequently Asked Questions
What is a board foot?
A board foot is a lumber measurement: 1 foot long x 1 foot wide x 1 inch thick (144 cubic inches). It's the standard unit for buying lumber in North America.
How to calculate board feet?
Board Feet = (Length ft x Width in x Thickness in) / 12. For multiple pieces, multiply by quantity. Our calculator handles both imperial and metric measurements.
What lumber sizes are commonly used?
Common construction lumber sizes: 2x4 (38x89mm), 2x6 (38x140mm), 4x4 (89x89mm), 1x6 (19x140mm), and plywood sheets in 4x8 ft (1220x2440mm).