OhMyCalc

Fence Calculator

Calculate posts and panels needed for a fence. Enter perimeter, spacing, and fence height.

How to Use the Fence Calculator

  1. Measure the total perimeter of the area to fence.
  2. Enter the desired spacing between posts.
  3. Enter the fence height.
  4. Click Calculate to see posts, panels, and total area.

快速参考

Small garden (20 m)~11 posts at 2 m spacing
Medium yard (40 m)~21 posts at 2 m spacing
Large property (100 m)~51 posts at 2 m spacing
1.2 m heightLow garden fence
1.8 m heightStandard privacy fence
2.4 m heightHigh security fence

使用场景

公式

Posts = ceil(Perimeter / Spacing) + 1. Panels = Posts − 1. Total area = Panels × Spacing × Height.

常见问题

What is a typical post spacing?
Common spacing is 1.8 to 2.4 meters (6 to 8 feet) between posts.
Does this include corner posts?
The formula gives total posts needed for the perimeter; adjust for corners if they differ.
Is it free?
Yes, all calculators are completely free.