Example: Fence length: 150 ft · Post spacing: 8 ft · Picket width + gap: 6 in · Rails per section: 3 → Posts: 20.
Pickets: 300
Rails: 57
Concrete bags (2/post): 40
Frequently asked questions
How do I calculate fence? Enter your numbers above and the result updates instantly. For example: Fence length: 150 ft · Post spacing: 8 ft · Picket width + gap: 6 in · Rails per section: 3 → Posts: 20.
Is this Fence Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for fence. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.