Fence Materials Calculator
Fill in the values and the answer updates as you type.
How the Fence Materials Calculator works
Sections = length ÷ post spacing, rounded up. Posts = sections + 1, plus one extra post per gate. Pickets = length in inches ÷ (picket width + gap). Buy about 5% extra for cuts and mistakes. Example: with the default values, posts needed comes to 27.
Inputs and results
The Fence Materials Calculator takes 6 inputs and gives 4 results.
What you enter
- Fence length (ft) — starts at 200.
- Post spacing (ft) — starts at 8.
- Rails per section — starts at 2. Choose from: 2, 3 and 4.
- Number of gates — starts at 1.
- Picket width (in) — starts at 5.5.
- Gap between pickets (in) — starts at 0.5.
What you get
- Posts needed
- Rails needed
- Pickets needed
- Sections
Example: Fence Materials Calculator with the starting values
With fence length 200 ft, post spacing 8 ft, rails per section 2, number of gates 1 and picket width 5.5 in, the calculator returns:
| Posts needed | 27 |
|---|---|
| Rails needed | 50 |
| Pickets needed | 400 |
| Sections | 25 |
Change any value above and the results update straight away.
Fence Materials Calculator FAQ
How do I use the Fence Materials Calculator?
Enter fence length, post spacing, rails per section and number of gates in the fields, then read posts needed, rails needed, pickets needed and sections in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Fence Materials Calculator calculate?
Count posts, rails, and pickets for a fence run. It returns posts needed, rails needed, pickets needed and sections from the 6 values you provide.
What values does the Fence Materials Calculator start with?
It opens with fence length 200 ft, post spacing 8 ft, rails per section 2 and number of gates 1 so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Fence Materials Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Fence Materials Calculator for important decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.