How to Use the Board Feet to Linear Foot Calculator
Learn how to use the Board Feet to Linear Foot Calculator, understand its formula and interpret the result.
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How to use the calculator
Open the Board Feet to Linear Foot Calculator, enter your project dimensions and adjust the assumptions to match your situation.
Formula and assumptions
The calculator applies the displayed dimensions, rates and allowances in a transparent formula. Review every editable assumption before relying on the result.
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.
Important limitations
Use the dimensions appropriate to your purpose. Nominal lumber dimensions differ from dressed actual dimensions.
Disclaimer
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