Plan your fence
Fence materials calculator.
Enter the length, height, corners and gates, and get the posts, rails, pickets or fabric, and concrete you would need — with the arithmetic shown.
Worked example
100 ft of 6 ft wood privacy, 2 corners, one 4 ft gate.
| Material | Quantity | How it's worked out |
|---|---|---|
| End, corner and gate posts (4x4) | 6 posts | 2 ends + 2 corners + 2 per gate × 1 gate |
| Line posts (4x4) | 8 posts | 96 ft of fence (100 ft minus 4 ft of gates) over 4 straight stretches ≈ 24 ft each → 3 sections of up to 8 ft per stretch → 2 line posts per stretch |
| Post length | 8 ft each | 6 ft above ground + 24 in in the ground (a third of the height, at least 24 in) = 96 in → next standard length |
| Rails (at least 8 ft long) | 36 rails | 12 sections × 3 rails (3 for fences over 5 ft) |
| Pickets (5.5 in wide) | 219 pickets | 96 ft × 12 ÷ 5.5 in per picket = 210, plus 9 for the gate |
| Concrete (60 lb bags) | 29 bags | 10 in hole × 24 in deep: ≈ 2.0 bags per post (0.92 cu ft) × 14 posts, rounded up once |
These are standard rules of thumb for estimating materials. Confirm quantities with your supplier before you buy. Assumes the fence is spread evenly across 4 straight stretches; very uneven stretches can need an extra post or two.
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