Fence Calculator
Count posts, rails and pickets for a fence. The result updates as you type, with the working underneath so you can check it.
Your details
Result
Posts needed
10
- Sections
- 9
- Rails
- 27
- Pickets
- 200
- Add posts for each corner and gate, and about 5% spare pickets.
Good to know: posts = sections + 1
Please note: Estimates only. Measure your actual space, buy a little extra, and check product labels, safety requirements and local building rules. Do not rely on this for structural or safety-critical work.
About this tool
Formula
posts = sections + 1
Questions people ask
How far apart should fence posts be?
1.8–2.4 m is typical. Closer spacing makes a stronger fence.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators