Plan your fencing project with our comprehensive fence calculator. Enter the total fence length, height, and post spacing to calculate the number of posts, rails, and pickets needed. Works for wood privacy fences, picket fences, and more.
Enter Your Measurements
Results
Posts Needed
14
posts
Rails Needed
39
rails
Pickets Needed
219
pickets
Fence Sections
13
sections
Post Length Needed
8.0
ft
Concrete (80 lb bags)
28
bags
Formula
How to Use This Calculator
How to Use
- 1
Measure the total length of fence you need in feet.
- 2
Select the fence height in feet (6 ft is standard for privacy fences).
- 3
Enter the post spacing in feet (8 ft is standard for most fences).
- 4
Enter the picket width and gap. Use 0 gap for a solid privacy fence.
Frequently Asked Questions
Frequently Asked Questions
How far apart should fence posts be?
How deep should fence posts be set?
How many rails do I need per section?
In-Depth Guides
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About This Calculator
This calculator uses the formula: Posts = (Fence Length ÷ Post Spacing) + 1 | Rails = Sections × Rails per Section | Pickets = Fence Length ÷ (Picket Width + Gap). All calculations follow industry-standard methods. Results are estimates — always verify with a licensed professional for structural or code-compliant work.
Built and maintained by the CalcSmart team. Last updated March 2026.
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