How Much Fence Do I Need for 300 Feet?

300 feet of 6 ft privacy fence with one 4 ft gate needs 39 posts, 111 rails, 646 pickets and about 66 bags of 80 lb concrete.

Your project

gates

Results

Posts
39 posts
Includes line, end and gate posts. Add extra for corners.
Post length neededFence height plus the buried depth
8.0 ft
Sections between posts
37 sections
Rails (one 2×4 per rail per section)
111 boards
Pickets
646 pickets

Concrete for post holes

80 lb bags (4×4 posts in 10 in holes)Includes 10% waste, no gravel base
66 bags
Hole depth used
24 in
  • Assumes a straight run. Each corner needs a post but no extra section, so add 1 post per corner. Gate hardware and fasteners are not counted.

Materials for 300 feet of fence

All figures assume one 4 ft gate, and 10 in post holes. They are for a straight run, so add a post for each corner.

StylePostsRails (2×4)Pickets80 lb concrete bags
6 ft privacy pickets, 8 ft spacing3911164666
6 ft privacy pickets, 6 ft spacing5215064688
4 ft pickets, 1.5 in gaps397450866
6 ft prefab panels, 8 ft spacing3911137 panels66

Before you build

Check your property line, call 811 before digging, and look at local rules on fence height and permits. Use ground-contact treated posts, and set them about one third of the fence height deep. See the post spacing and depth guide.

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Tools & materials for this project

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Frequently asked questions

How many fence posts for 300 feet of fence?

39 posts for a 6 ft fence with one 4 ft gate and 8 ft spacing (39 with no gate). Add one more post for each corner.

How many pickets for 300 feet of fence?

646 pickets of 1×6 (5½ in actual) set tight, for the 296 ft of fence either side of a 4 ft gate. Spaced pickets need fewer.

How much concrete for 300 feet of fence?

About 66 bags of 80 lb concrete for 39 posts in 10 in holes, 24 in deep, with 10% waste. Fast-setting 50 lb bags work too (about 1.6 times as many).

Related sizes and guides

Estimates only. Results assume standard materials and simple shapes. Supplier products vary, and the final call on quantity, structure and safety is yours. Check your local code and your supplier's guidance before ordering.