Board Foot Calculator – Lumber Board Foot Calculator

Board Foot Calculator – Lumber Board Foot Calculator

Calculate board feet, lumber quantity, board foot price, and total lumber cost quickly and accurately. Use this free board feet calculator for woodworking, construction, lumber projects, and material estimates.

Board Foot Calculator

Enter the lumber dimensions in inches, the number of boards, and the price per board foot. The calculator will calculate the board footage and estimated total lumber cost.

Enter lumber length in feet.
Enter lumber width in inches.
Enter lumber thickness in inches.
Enter the number of identical boards.
Optional: enter lumber price per board foot.
0 Board Feet
Board feet per board: 0
Total board feet: 0
Estimated lumber cost: $0.00

What Is a Board Foot?

A board foot is a standard unit used to measure the volume of lumber. It is commonly used when buying, selling, estimating, or pricing wood and lumber. One board foot represents a volume of 144 cubic inches.

A board foot is commonly calculated using the length, width, and thickness of a piece of lumber. The board feet calculator above makes this calculation easier by automatically calculating the result from your measurements.

Board Feet = Length (feet) × Width (inches) × Thickness (inches) ÷ 12

For example, an 8-foot board that is 6 inches wide and 2 inches thick contains:

8 × 6 × 2 ÷ 12 = 8 board feet

How to Calculate Board Feet

To calculate board feet, measure the length of the lumber in feet and the width and thickness in inches. Then use the board foot formula.

Step 1: Measure the length

Measure the lumber length in feet. If your measurement is in inches, convert it to feet before using the formula.

Step 2: Measure the width

Measure the board width in inches. Use the actual measurement when estimating the board footage of your lumber.

Step 3: Measure the thickness

Measure the thickness in inches.

Step 4: Apply the formula

Board Feet = Length × Width × Thickness ÷ 12

This is the standard formula for calculating board foot volume when length is expressed in feet and width and thickness are expressed in inches.

Board Foot Calculation Examples

Lumber Size Length Board Feet
2 × 6 8 ft 8 board feet
2 × 8 10 ft 13.33 board feet
2 × 10 12 ft 20 board feet
1 × 6 8 ft 4 board feet

These examples show how lumber dimensions affect board footage. For an exact calculation based on your own measurements, use the calculator above.

Lumber Board Foot Calculator

A lumber board foot calculator can be useful when estimating the amount of wood needed for a woodworking or construction project. You can calculate the board footage of one board or multiply the result by the number of boards required.

For example, if one board contains 8 board feet and you need 10 identical boards:

8 × 10 = 80 total board feet

Enter the dimensions and quantity into the calculator to perform this calculation automatically.

How to Calculate Board Foot Price

If you know the price per board foot, you can estimate the total lumber cost by multiplying the total board feet by the price per board foot.

Total Lumber Cost = Total Board Feet × Price per Board Foot

For example, if your project requires 50 board feet and lumber costs $8 per board foot:

50 × $8 = $400
Important: Actual lumber prices vary by wood species, grade, thickness, supplier, location, market conditions, and whether the lumber is rough or surfaced. The price calculation on this page is an estimate based on the price you enter.

Board Feet, Board Foot, and Board Footage

The terms board foot, board feet, and board footage are closely related. They are commonly used when describing the volume of lumber.

If you are searching for calculate board feet, calculate a board foot, calculating board foot of lumber, or calculating board foot lumber, the same basic board-foot formula can be used.

This calculator is designed to provide a quick way to perform those calculations without manually working through the formula each time.

How Do You Calculate Board Feet in Lumber?

To calculate board feet in lumber, multiply the length in feet by the width in inches and the thickness in inches, then divide the result by 12.

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

This method can be used for individual boards as well as multiple boards. If you have several boards with the same dimensions, multiply the board-foot result by the number of boards.

What Is a Board Foot?

A board foot is a lumber volume measurement equal to 144 cubic inches. It is commonly used in the lumber industry to describe the quantity of wood.

Understanding board feet can make it easier to compare lumber quantities and estimate material costs when purchasing wood for a project.

If you also need to calculate three-dimensional volume for other materials, you can use our Cubic Feet Calculator to calculate cubic feet.

More Useful Calculators

Frequently Asked Questions

What is a board foot calculator?

A board foot calculator is an online tool that calculates the board footage of lumber using its length, width, thickness, and quantity.

How do you calculate a board foot?

Multiply the lumber length in feet by its width and thickness in inches, then divide the result by 12.

How do you calculate board feet in lumber?

Use the formula: length in feet × width in inches × thickness in inches ÷ 12. Multiply the result by the number of boards if you have multiple boards.

How do I calculate board foot price?

Multiply the total number of board feet by the price per board foot to estimate the total lumber cost.

How do I calculate price per board foot?

If you know the total price and total board footage, divide the total lumber price by the total number of board feet.

How much is a board foot?

The price of a board foot depends on the type of lumber, wood species, grade, dimensions, supplier, location, and current market conditions. Use the price field in the calculator to estimate your project cost.

How do you calculate board footage?

Calculate board footage by multiplying length in feet by width and thickness in inches, then dividing by 12.

Can I calculate several boards at once?

Yes. Enter the number of identical boards in the Number of Boards field. The calculator will multiply the board-foot measurement by the quantity.

What is the difference between board foot and cubic feet?

A board foot is a specific lumber measurement equal to 144 cubic inches, while cubic feet is a general volume measurement. One cubic foot contains 12 board feet.

Can this calculator calculate lumber cost?

Yes. Enter the price per board foot and the calculator will estimate the total lumber cost based on your total board footage.

Free Board Foot Calculator for Lumber Projects

Whether you are a woodworker, contractor, builder, DIY enthusiast, or simply buying lumber for a project, knowing how to calculate board feet can help you estimate material requirements and potential costs.

This free board foot calculator is designed for quick lumber calculations. It can be used as a board feet calculator, lumber board foot calculator, and simple board foot price calculator.

You can also use it when searching for information about calculating board foot of lumber, calculating board foot lumber, how to calculate board feet in lumber, how to find board foot, or how to figure out board foot.

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