Construction/Home calculator
Fence / Post Calculator
Estimate fence posts from total fence length and spacing.
Formula
Post count formula
Posts = floor(length / spacing) + 1
100 ft at 8 ft spacing needs about 13 posts.
FAQs
Does this include corner posts?+
The estimate counts posts along a straight run; add gates, corners, and end conditions as needed.
How does the Fence / Post Calculator calculate the result?+
It uses the Post count formula: Posts = floor(length / spacing) + 1. 100 ft at 8 ft spacing needs about 13 posts.
What information do I need to use the Fence / Post Calculator?+
Estimate fence posts from total fence length and spacing.
How accurate is the Fence / Post Calculator?+
Fence / Post Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Fence / Post Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
Construction/Home guide
How to use the Fence / Post Calculator
Estimate fence posts from total fence length and spacing. The page also explains the post count formula and shows a practical example: 100 ft at 8 ft spacing needs about 13 posts.
- 1
Enter your details
Enter total fence length and spacing, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the post count formula: Posts = floor(length / spacing) + 1.
- 3
Compare scenarios
Change one or more inputs to see how they affect the fence / Post Calculator result before you use the estimate.
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