Home Back

Board Foot To Square Foot Calculator

Square Feet Formula:

\[ \text{Square Feet} = \frac{\text{Board Feet} \times 12}{\text{Thickness}} \]

board ft
inches

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Board Foot to Square Foot Calculator?

Definition: This calculator converts board feet measurement to square feet based on the thickness of the lumber.

Purpose: It helps woodworkers, carpenters, and construction professionals convert between these common lumber measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Square Feet} = \frac{\text{Board Feet} \times 12}{\text{Thickness}} \]

Where:

Explanation: The formula converts the volume measurement (board feet) to area measurement (square feet) by accounting for the thickness of the material.

3. Importance of Board Foot to Square Foot Conversion

Details: This conversion is essential when planning flooring, decking, or other projects where you need to know coverage area from volume measurements.

4. Using the Calculator

Tips: Enter the board feet measurement and the thickness in inches. The default thickness is 1 inch (standard for board foot calculations).

5. Frequently Asked Questions (FAQ)

Q1: What exactly is a board foot?
A: A board foot is a volume measurement equal to 1 foot × 1 foot × 1 inch (or 144 cubic inches) of lumber.

Q2: Why multiply by 12 in the formula?
A: Because there are 12 inches in a foot, this converts the thickness dimension from inches to feet for consistent units.

Q3: What thickness should I use?
A: Use the actual thickness of your lumber. For rough lumber, use the nominal thickness (e.g., 1 inch for 1x boards).

Q4: Can I use this for metric measurements?
A: No, this calculator uses imperial units. For metric, you would need to convert to square meters from cubic meters.

Q5: How accurate is this conversion?
A: It's mathematically precise, but actual coverage may vary slightly due to wood shrinkage, milling, and installation factors.

Board Foot To Square Foot Calculator© - All Rights Reserved 2025