Fence Calculator
Calculate fence materials from length and panel size.
UK panels are often ~1.83 m (6 ft)
Panels needed
11
12 posts (one at each end + between panels)
Panels
11
Posts
12
Covered length
20.13 m
Corner and gate posts may add extras. Check local post spacing guidance for windy sites.
In-depth explanation
Estimate fence panels and posts from the total run length and panel width. Posts = panels + 1 for a straight run. Everything runs locally in your browser — your inputs are not uploaded to produce the result.
For a straight run, one more post than panels (a post at each end and between panels). Add extra posts for corners and gate posts — this tool covers a simple straight run.
Many panels are about 1.83 m (6 ft) wide. Tweak the inputs above to compare options, then copy or note the result you need.
Frequently asked questions
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