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How much fencing for a third acre yard with 5-foot fence?

Answer
44 posts, 86 rails, 680 pickets
Perimeter: ~340 linear feetPost spacing: 8 feet on centerEstimated cost: $2,450–$4,508

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How We Calculated This

Posts = ceil(Length / Spacing) + 1

Perimeter = 340ft. Posts = ceil(340/8) + 1 = 44. Rails = 43 × 2 = 86.

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Calculated using verified formulas. Last updated March 2026.