Outdoor
How Many Fence Posts and Pickets Do I Need?
Give us the run length and spacing and we return posts, rails, pickets and the concrete for the post holes.
- 01Measure
- 02Adjust
- 03Result
- 04Shop
01 — Measure
Tell us about the job
Typical: 1.8–2.4 m
02 — Adjust
Material buffer
Timber varies. 5% covers warped boards and end trimming.
Before you start — measure this
- Total fence length
- Post spacing
- Fence height
- Picket width
03 — Result
210
Pickets required
- Posts
- 10
- Rails
- 27 × 2.4 m
- Post concrete
- 0.45 m³
04 — Shopping list
Sold loose or in packs
21 × 10
- Total purchased
- 210
- Expected leftover
- 0
Optional — planning estimate, not a live price.
Stored in this browser only. No account needed.
How we got this number
- Sections
- 9
- Posts (sections + 1)
- 10
- Total rail length
- 64.8 m
- Picket pitch
- 10 cm
- Pickets + 5%
- 210
Planning estimate: this calculation helps you estimate material quantities. Actual requirements vary with site conditions, product coverage, installation method and waste. Confirm with the manufacturer or a qualified professional when appropriate.
What to know about this material
- Set posts at least 600 mm deep, or a third of the post height for tall fences.
- Allow one bag of postcrete per hole for a standard 100 × 100 mm post.
- Order rails in lengths that span two sections to reduce joins.
Frequently asked
- How far apart should fence posts be?
- 1.8–2.4 m for timber fences. Closer spacing gives a stiffer fence in windy sites.
- How many posts for a 20 m fence?
- At 2.4 m spacing you need 9 sections and 10 posts, including both ends.
- How much concrete per post?
- About 0.04–0.05 m³ per hole, or roughly one to two bags of fast-set postcrete.
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What this calculator answers
The highest-intent, lowest-competition searches this page is built to answer outright — every one of them is a quantity question you can settle above without leaving the page.
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Questions this page answers
This page is built around one job: plan posts, rails and pickets along a run of fencing.
- How many fence posts for 100 feet?
- How many pickets for a 6 foot fence?
- Fence post spacing 6 feet or 8 feet?
- How much concrete per fence post?
Also known as: fence post calculator, how many fence pickets do i need, fence panel calculator, fencing material estimator.