Fence Calculator

Your details

The total run of the fence, measured along the ground.
ft
Centre-to-centre distance between posts. Common spacing is about 8 ft (2.4 m), matching standard panel widths.
ft
Height of the fence above ground. Used to size posts and count pickets.
ft
Horizontal rails in each section, usually 2 for low fences, 3 for taller ones.
Add one post for each corner, gate or change in direction not on the straight run.
Turn off for panel fences where you buy ready-made sections instead of loose pickets.
Face width of one picket or board. A nominal 1x6 board is about 5.5 in (14 cm) wide.
in
Space left between pickets. Use 0 for a solid privacy fence, larger for a picket or spaced look.
in
Concrete fills the hole around each post. Choose the post cross-section, or skip concrete.
Nominal post width. A 4x4 post is about 3.5 in (9 cm) actual.
in
The post hole is usually about 3 times the post width so concrete surrounds the post.
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Currency
Posts
14posts
Sections / panels13sections
Rails39rails
Pickets / boards219pickets
Post length (1.5 x height)9 ft
Concrete per hole2.67 ft3
Concrete bags (60 lb)84bags
Posts14
Rails39
Pickets219

You will need 14 posts and 13 sections for this run.

  • Posts = sections + 1 (plus any extras), because a straight fence needs an end post on both ends, not just one per section.
  • Each section spans about 8 ft; the last section is trimmed to fit if the length is not an exact multiple.
  • Count on about 219 pickets to face the run at your chosen width and gap; buy a few spares for cuts.
  • Set the posts in roughly 84 bags of concrete (2.67 ft3 per hole), digging about one third of the post length below ground.

Next stepBuy one or two spare posts and extra fasteners to cover offcuts and mistakes, and add a post for every corner or gate.

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