Home & DIY

Fence Calculator

Posts, rails and pickets needed.

Enter your values

Results update instantly as you type — no submit needed.

Results
Posts needed
16
Sections
15
Rails
45
Pickets
275
Concrete bags (1 per post)
32
Estimated cost
$2,640.00

Quick answer

Fence posts sit at 6–8 ft centres; picket count is fence length divided by picket width plus spacing.

How to use the Fence Calculator

  1. 1Measure the total fence run in feet.
  2. 2Choose your post spacing (6 or 8 ft).
  3. 3Enter picket width and rails per section.

Frequently asked questions

How deep should posts go?

One third of post height, minimum 24 inches, below the frost line.

Do gates need extra posts?

Yes, use heavier posts either side of each gate.