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How to Calculate Column Load

What is Column Load?

Column Load Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formula

Column Capacity = Fc × A × Cp (compression design value × area × adjustment)

Step-by-Step Guide

  1. 1Determine tributary area, calculate load, check against column capacity
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Worked Examples

Input
10x10 post, 12 ft height, 10,000 lb load
Result
Check slenderness ratio and apply NDS adjustment

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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