Fence Post Calculator

Calculate the number of fence posts, rails, pickets, and concrete bags needed for your fence project.

Results are estimates only — actual material needs vary by site conditions, waste, and product specifications. Always verify quantities with a qualified contractor before purchasing. HandymanCalc is not liable for material shortfalls or overages.

Fence Dimensions
ft
Pickets
in
FAQ

Frequently Asked Questions

3 questions
Q1 How far apart should fence posts be?
Standard post spacing is 8 feet on center for wood fences and 6–8 feet for chain link. Check local building codes for privacy fences.
Q2 How deep should fence posts be set?
Posts should be buried at least 1/3 of their total length. A 6-foot fence typically uses 8-foot posts buried 2 feet deep.
Q3 How much concrete per fence post?
A standard 4×4 post in an 8-inch diameter hole requires approximately 0.5 cubic feet of concrete, or about one 50 lb bag.