Fence post calculator

Fence Post Calculator — Count by Run Length and Spacing (2026)

How many fence posts do I need? Inputs total run length (ft), on-center (ft), post type (line / end / corner / gate), and optional gate count + gate width. Outputs post count broken down by line / corner / gate, plus optional $/post cost.

Inputs
ft
ft
ft

Each gate adds 2 frame posts (hinge + latch) and ensures ≥2 endpoints remain after substitution.

$
Post order

Enter a fence run length above to see total posts broken down by line, corner, and gate frame.

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