Wood Fence Material Calculator
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Imp
Imperial
Inputs
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Fence run length
(L)
Total planned fence run before subtracting gate openings.
ft
Gate count
Gate openings are subtracted from picket length and add two gate posts per gate.
gates
Gate opening width
Clear opening per gate.
ft
Post spacing
(s_post)
Maximum line-post spacing along the fence run.
ft
Rails per section
Horizontal rails between adjacent posts.
rails
Picket width
(w_p)
Actual exposed picket or board width.
in
Picket gap
(g_p)
Planned gap between adjacent pickets. Use zero for board-on-board overlap only as a rough screen.
in
Waste allowance
Extra pickets for culls, cut waste, layout changes and attic stock.
%
Post-hole diameter
Concrete pier diameter for each post.
in
Post-hole depth
Concrete depth per post. Frost depth and local practice may require more.
ft
Concrete bag yield
Yield per bag. A common 80 lb bag is about 0.6 ft^3.
in³
Cost per post
Optional post unit price for material-cost estimate.
$/post
Cost per rail
Optional rail unit price for material-cost estimate.
$/rail
Cost per picket
Optional picket unit price for material-cost estimate.
$/picket
Cost per concrete bag
Optional concrete-bag unit price for material-cost estimate.
$/bag
Results
Default result
Edit inputs
Pickets to buy
226
pickets
Rounded up after the waste allowance.
Also computed
Posts
15
posts
Rails
36
rails
Fence sections
12
sections
Picketed fence length
96
ft
Concrete bags
35
bags
Concrete volume
0.00003534
in³
Estimated material cost
1,529
$
Picket plus gap coverage
5.625
in
Gate openings deducted
4
ft
Show 3 more results
Method notes
3 notes
Sections = ceil(picketed fence length / post spacing). Line posts = sections + 1, with two additional gate posts per gate.
Pickets = ceil(((picketed length + gap) / (picket width + gap)) x waste factor). Board-on-board, shadowbox, stepped panels and corners need a field layout.
This is a material takeoff only. It does not size posts, footings, rails, hardware, wind bracing, frost embedment or property-line/code requirements.
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