Board Foot Calculator
Board feet for a single piece of lumber.
Amortization schedule
| # | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
Showing first 12 of months.
Growth over time
| Year | Invested | Value |
|---|---|---|
Introduction
Board Foot Calculator — Board feet for a single piece of lumber. Enter Thickness (in), Width (in), Length (ft) to get an instant, accurate result.
Formula
Board feet = (thickness in inches × width in inches × length in feet) ÷ 12, the standard board-foot formula.
Step-by-step
- Enter the Thickness (in).
- Enter the Width (in).
- Enter the Length (ft).
- Click Calculate to see your result instantly.
Real-world example
Example: With Thickness (in) = 2, Width (in) = 6, Length (ft) = 8, the Board Foot Calculator gives Board Feet: 8.
Frequently Asked Questions
How is this different from the Lumber calculator?
This calculates board feet for a single piece; the Lumber calculator additionally multiplies by a quantity of pieces for a total order.
Why divide by 12?
A board foot is defined as 144 cubic inches (1 in × 12 in × 12 in); dividing thickness × width × length(ft) by 12 converts inch-inch-foot dimensions into that unit.
What inputs does the Board Foot Calculator need?
You'll need to provide: Thickness (in), Width (in), Length (ft). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Board Foot Calculator?
The Board Foot Calculator applies the formula exactly as calculated — Board feet = (thickness in inches × width in inches × length in feet) ÷ 12, the standard board-foot formula. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Board Foot Calculator free to use?
Yes, the Board Foot Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Board Foot Calculator
The Board Foot Calculator uses a real, verifiable formula — Board feet = (thickness in inches × width in inches × length in feet) ÷ 12, the standard board-foot formula. — so results are accurate every time, not an approximation.