Wooden Fence Calculator

Plan pickets, rails and posts across connected fence runs.

Your inputs

Project name (optional)

Fence style

Privacy: adjacent boards on one face

Measurement unitsUS customaryMetric

Fence height (ft)

Actual picket width (in)

Purchased board length (ft)

Gap between boards on one face (in)

For shadowbox this is the gap on EACH face; the other face is offset halfway.

Maximum post spacing

Each run starts and ends at a terminal post. Connect consecutive runs to share a corner.

Run 1

Run length (ft)

Connections & gate opening

Gate opening width (0 = none) (ft)

Material settings & waste

Fence layout

Closed perimeter requires at least three connected runs. Final run shares a corner post with the first.

Open chain: consecutive connected runs share corner posts

Rails per section

Rail stock length (ft)

Include post hole concrete?

Waste allowance (%)

Editable planning allowance, not an optimized cutting plan.

Complete the required inputs to calculate. Check material settings for additional fields.

Enter dimensions and check the material settings to calculate.

Use this calculator as a guide. Independently verify all calculations for accuracy before starting your project.

“Measure twice. Cut once”
-- dad