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Fence Materials Calculator

Count posts, rails, and pickets for a fence run.

Fence length

Post spacing

Rails per section

Number of gates

Picket width

Gap between pickets

How it works

Sections = length ÷ post spacing, rounded up. Posts = sections + 1, plus one extra post per gate. Pickets = length in inches ÷ (picket width + gap). Buy about 5% extra for cuts and mistakes. Example: with the default values, posts needed comes to 27.

FAQ

Is this calculator free?

Yes. No signup is needed and nothing you enter is stored.

Is the result exact?

Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.

Do my numbers leave my device?

No. The calculation runs in your browser.