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Fence calculator
Posts, panels and rails for a fence line, with a gate allowance.
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- Works on any device
About Fence calculator
Plan posts, panels and rails for a fence line from its total length, panel width and gate openings. Posts equal panels plus one, and a gate needs a post on each side. Panel fences sold in 1.8 m widths are common, so the line length often needs rounding to a whole panel.
How to use Fence calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How many fence posts do I need?
One more than the number of panels. A straight 18 m run with 1.8 m panels needs 10 panels and 11 posts.
Is Fence calculator free?
Yes. Fence calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.