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Calculate Board Foot

Board Foot Formula:

\[ \text{Board Foot} = \frac{\text{Thickness (in)} \times \text{Width (in)} \times \text{Length (ft)}}{12} \]

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feet

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1. What is Board Foot Measurement?

A board foot is a unit of measurement for the volume of lumber in the United States and Canada. It represents the volume of a one-foot length of a board one foot wide and one inch thick.

2. How Does the Calculator Work?

The calculator uses the board foot formula:

\[ \text{Board Foot} = \frac{\text{Thickness (in)} \times \text{Width (in)} \times \text{Length (ft)}}{12} \]

Where:

Explanation: The formula converts all dimensions to a common unit (inches) and divides by 12 to calculate the volume in board feet.

3. Importance of Board Foot Calculation

Details: Board foot measurement is essential in the lumber industry for buying and selling wood, estimating project costs, and determining how much lumber is needed for construction 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 volume in board feet.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between board feet and linear feet?
A: Board feet measure volume (thickness × width × length), while linear feet only measure length regardless of width or thickness.

Q2: How many board feet are in a 2x4?
A: For an 8-foot 2x4: (1.5" × 3.5" × 8')/12 = 5.33 board feet (actual dimensions are 1.5" × 3.5").

Q3: Why divide by 12 in the formula?
A: Because a board foot is defined as 144 cubic inches (12" × 12" × 1"), and the formula converts all measurements to inches before calculating volume.

Q4: Does the calculator account for nominal vs. actual dimensions?
A: No, you must enter actual dimensions. For example, a "2x4" actually measures 1.5" × 3.5".

Q5: How is board foot pricing determined?
A: Lumber is often priced per board foot, calculated by multiplying the board footage by the price per board foot.

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