Fence Materials for a 300 ft Fence
A 300 ft (≈ 91.44 m) fence at 8 ft post spacing needs about 39 posts, 37 panels, 111 rails, and 78 bags of concrete (allowing for one gate).
Adjust the numbers
Pre-filled for a 300 ft fence at 8 ft spacing — change the spacing, gates, or rails, or switch to metric.
Estimate for a straight run. Posts = sections + 1. Common spacing is 6–8 ft; set each post in 1–2 bags of fast-setting concrete.
Estimate only. These figures help you plan how much to buy — they are not engineering or structural advice. Actual needs vary with site conditions, waste, and installation method, so order a little extra and confirm final quantities with your supplier or contractor before you buy or start the job.
Other fence lengths
Frequently asked questions
How many posts do I need for a 300 ft fence?
At 8 ft post spacing, a 300 ft fence has 38 sections, so you need about 39 posts (sections + 1). Closer spacing means more posts.
How much concrete for a 300 ft fence?
About 78 bags of fast-setting concrete — roughly 2 bags per post for 39 posts. Tall fences and gate posts may need more.
How many panels and rails for a 300 ft fence?
About 37 panels and 111 rails (3 rails per section), after leaving room for one gate. Adjust the gate count below for your layout.