Fence Calculator

Posts, rails and pickets for a fence run.

Runs in your browser — nothing is uploaded
Units

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Material estimates only — add waste, confirm quantities with your supplier and follow local building codes. Not an engineering guarantee.

How to use Fence Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Sections = ⌈length ÷ post spacing⌉; posts = sections + 1 (+ gates)

Pickets = ⌈length ÷ (picket width + gap)⌉