Home Back

Bf Calculator For Lumber

Board Feet Formula:

\[ BF = \frac{T \times W \times L}{12} \]

inches
inches
feet

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Board Feet Calculation?

Board feet (BF) is a unit of measurement for lumber volume in North America. It represents a piece of wood that is 1 foot long, 1 foot wide, and 1 inch thick (or the equivalent volume).

2. How Does the Calculator Work?

The calculator uses the board feet formula:

\[ BF = \frac{T \times W \times L}{12} \]

Where:

Explanation: The formula calculates the volume of lumber in board feet by multiplying the three dimensions and dividing by 12 to convert to the standard board foot measurement.

3. Importance of Board Feet Calculation

Details: Accurate board feet calculation is essential for lumber pricing, inventory management, project planning, and ensuring you purchase the correct amount of wood for construction or woodworking projects.

4. Using the Calculator

Tips: Enter thickness and width in inches, length in feet. All values must be positive numbers. The calculator will compute the board footage of your lumber.

5. Frequently Asked Questions (FAQ)

Q1: Why is board foot measurement used instead of other units?
A: Board foot is the standard unit for lumber in North America because it accounts for all three dimensions of wood, providing a more accurate measure of volume than linear or square feet.

Q2: How do I measure lumber for board feet calculation?
A: Measure thickness and width in inches (using the nominal dimensions for rough lumber or actual dimensions for surfaced lumber), and length in feet.

Q3: Does the formula work for all types of wood?
A: Yes, the formula works for all wood species. However, different woods have different values based on quality, grade, and market demand.

Q4: How is board feet different from linear feet?
A: Linear feet only considers length, while board feet accounts for all three dimensions (thickness, width, and length), making it a volume measurement.

Q5: Can I use this calculator for metric measurements?
A: This calculator uses imperial measurements (inches and feet). For metric measurements, you would need to convert to the appropriate units first.

Bf Calculator For Lumber© - All Rights Reserved 2025