Fence Post Spacing Calculator — Calculate Proper Post Placement for Fencing

Fence Post Spacing Calculator

Calculate the optimal spacing between fence posts for your project. Determine post count, spacing, and material requirements for any fence length.

Step 1: Fence Dimensions

100 ft
8 ft

Proper Post Spacing Guidelines

Standard spacing is 6-8 feet for most fences. Closer spacing provides more support for heavy fences or high wind areas. Check local building codes for specific requirements.

Step 2: Post Details

5 in

Post Installation Tips

Dig holes 1/3 the post length plus 6 inches for gravel. Use concrete for permanent fences. Ensure posts are plumb and spaced evenly for a professional result.

Fence Post Calculation Results

Summary
Fence Comparison
Visualization

Posts Required

13
For a 100 ft fence with 8 ft spacing
Actual Spacing
8.33 ft
Post to Post
7.83 ft
End Posts
2
Line Posts
11

Fence Layout

Fence Type Spacing Comparison

Fence Type Recommended Spacing Posts for 100 ft Strength Rating

Fence Post Spacing Visualization

Detailed Fence Layout

Each vertical bar represents a fence post. The distance between them is the actual spacing.

Spacing Formula

Number of Posts = (Fence Length ÷ Desired Spacing) + 1

To calculate the number of posts: Divide fence length by desired spacing, then add 1 for the starting post. Round up to the nearest whole number for even spacing.

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