Board Feet to Linear Foot Calculator
Convert board feet to linear feet using the board thickness and width. Enter your own values to produce a transparent project-specific estimate.
Fill in the required fields to see your result.
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Use the primary result for planning, then review the supporting outputs and assumptions before ordering materials or requesting quotes.
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How to Use This Calculator
Enter the requested project dimensions and assumptions. Review the intermediate outputs before using the final estimate.
Formula & Methodology
The calculator converts the entered dimensions and assumptions into the displayed quantities or costs using the formulas shown in the result breakdown.
Worked example
100 board feet of nominal 2 Ă— 6 lumber equals 100 linear feet when actual calculation dimensions are 2 inches by 6 inches.
Use the dimensions appropriate to your purpose. Nominal lumber dimensions differ from dressed actual dimensions.
Planning estimate only. Verify dimensions, product data, local requirements and supplier or contractor pricing before purchasing or starting work.
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Frequently Asked Questions
- What does the Board Feet to Linear Foot Calculator calculate?
- Convert board feet to linear feet using the board thickness and width.
- Can I change the assumptions?
- Yes. Every major dimension, rate, allowance or conversion assumption is editable so the estimate can match the project.
- How accurate is the result?
- Use the dimensions appropriate to your purpose. Nominal lumber dimensions differ from dressed actual dimensions.
Last updated 7/30/2026