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How to Calculate Lumber Cost

What is Lumber Cost?

Lumber Cost Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formula

Total Cost = Board Feet × Price per Board Foot

Step-by-Step Guide

  1. 1Calculate total board feet needed, multiply by price/BF
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Worked Examples

Input
500 board feet at $3.50/BF
Result
Cost = 500 × 3.50 = $1,750

Common Mistakes to Avoid

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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