Fence Calculator

Estimate the number of fence posts and panels needed to enclose a given perimeter length, based on standard panel spacing.

Inputs
Results
Panels Needed
19
Posts Needed
20

Try an example

Formula

Panels = ceil(Perimeter / Panel Width), Posts = Panels + 1

Learn How This Works

Fence Post Counts and Insulation R-Value Explained

Why fence posts always outnumber panels by one, and how layered insulation R-values simply add together.

Building a Fence: Calculating Panels, Posts, and Concrete Before You Buy

How to calculate fence panel count, post count, and footing concrete together for an accurate materials list.

Frequently Asked Questions

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