Roofing, Decks & Fences guide

How Many Fence Posts Do I Need?

Estimate fence posts from total run, maximum spacing, corners, ends and gates.

Quick answer

Divide each straight fence run by the selected maximum section spacing and round up. Then add posts required for ends, corners, gates and transitions.

Use the related calculator

Step by step

  1. Measure each run. Do not combine separate fence lines blindly.
  2. Choose spacing. Follow the fence system and local requirements.
  3. Round sections up. A partial section still needs support.
  4. Add special posts. Count corners, ends and gate supports separately.

Formula or rule of thumb

straight-run sections = ceil(run length ÷ maximum spacing)

Example

A 64 ft straight run at 8 ft spacing needs 8 sections; ends and any gate or corner posts are added separately.

Common mistakes

Do not assume a straight-run count includes gate hardware, corners or terminal posts.

Planning note: product yields, installation methods, site conditions and local requirements can change the final quantity. Use the exact manufacturer or supplier information before purchasing.

FAQ

How far apart should posts be?

Spacing depends on fence height, material, wind, soil and system instructions.

Are gate posts different?

Gate posts often need additional support and hardware-specific sizing.

Should posts be evenly spaced?

Even spacing is useful, but site boundaries and gate locations may require adjustments.

Related tool

Open the related calculator Browse all guides