Free OnlineCalculators & Converters
Fence Calculator
Calculate fence posts, boards, rails, and concrete needed for a wood privacy fence.
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Key Features — Fence Calculator
Posts, boards, and rail linear footage
Concrete for post holes
Configurable post spacing and board width
Sections count
Why Use This Tool — Fence Calculator
Free Online Fence calculatorFence post calculator — for EveryoneFast & Easy How many fence posts do i needWood fence materials calculator — 100% Free
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Use on any device — desktop, tablet, or phone. No downloads or plugins needed.
Frequently Asked Questions — Fence Calculator
How far apart should fence posts be?
Standard is 8 ft between posts. 6 ft provides more rigidity. Chain-link or wire fencing can use 8–10 ft.
How much concrete per post?
Plan one 80-lb bag per post. Dig holes at least 1/3 the post height deep.
How many boards per section?
For a 6-ft fence with 6" boards and 8-ft spacing you need ~16 boards per section.