Fence Post Calculator

Calculate number of fence posts required for your project

Enter Fence Details

How to Use This Calculator

  1. Measure total fence length
  2. Determine post spacing
  3. Click Calculate

Formula

Post calculation:

Posts = (Length / Spacing) + 1

Tips for Accurate Measurements

  • Use 4x4 posts for 6' fences
  • Set posts in concrete
  • Check posts are plumb
  • Let concrete cure 24-48 hours

Frequently Asked Questions

How far apart should fence posts be?

Standard spacing is 8 feet for wood fences, 10 feet for chain link. Closer spacing provides more strength.

How deep should fence posts be buried?

Bury posts at least 1/3 of their height, or minimum 2 feet deep. In cold climates, go below frost line (3-4 feet).

Calculator by Build Calculators Team | Construction Calculator Specialists

Last updated: January 2025