Board Foot Calculator

Thickness (inches):

Width (inches):

Length (feet):

Quantity:

Price per Board Foot ($):

Results:

Total Board Feet: 0.00

Total Cost: $0.00

Total Pieces: 1

What is a Board Foot?

A board foot is a unit of measurement for lumber equal to:

• 1 foot long × 1 foot wide × 1 inch thick (nominal dimensions)
• 144 cubic inches of wood
• Commonly abbreviated as FBM (Foot Board Measure)

Calculation Formula

Board Feet = (Thickness (in) × Width (in) × Length (ft)) / 12 × Quantity

Cost = Board Feet × Price per Board Foot

How to Use This Calculator

1. Enter dimensions in inches and feet
2. Input quantity of identical pieces
3. Add price per board foot (optional)
4. Click Calculate for instant results

Common Applications

• Woodworking projects
• Lumber purchasing
• Material estimation
• Cost calculations
• Inventory management

Important Notes

• Uses nominal dimensions (actual lumber dimensions may vary)
• Doesn't account for waste or cutting loss
• Prices vary by wood type and quality
• Always confirm measurements with supplier