Fence Post Spacing Calculator
Calculate equal on-center post spacing, total posts, rails, pickets, and concrete bags for any straight or closed perimeter fence run.
8' 0" (96.0")
On-center spacing across 12 equal sections
Frequently Asked Questions (Fence Post Spacing FAQ)
What is the standard spacing between fence posts?
The standard distance between fence posts is 6 to 8 feet on-center. 8-foot spacing is the industry standard for privacy and picket fences using standard 8-foot 2x4 rails. In high-wind areas or for heavy materials, 6-foot spacing is recommended.
How deep should fence post holes be dug?
A good rule of thumb is to bury 1/3 to 1/2 of the total fence height into the ground (typically 2 to 3 feet deep for a 6-foot fence). Always ensure holes extend below your local winter frost line to prevent frost heaving.
How many bags of concrete do I need per fence post?
For standard 4x4 posts in 8" to 10" diameter holes, you typically need 1.5 to 2 bags of 50 lb or 60 lb quick-setting concrete per post. Corner and gate posts supporting tension require 2.5 to 3 bags.
Can I calculate fence post spacing in meters?
Yes! Toggle the Meters button at the top to calculate runs in meters, spacing in meters (e.g. 1.8m or 2.4m), and metric picket requirements.