Fence Calculator
Estimate posts, rails and pickets needed for your fence.
Estimate the posts, rails and pickets needed to build a wood or vinyl fence around your property line.
Measurement System
Your Estimate
Posts Needed
20
Rails Needed
57
Pickets (approx.)
328
Assumes standard picket spacing of ~5.5 inches. Adjust for your fence style.
Results Actions
Accuracy & Assumptions
- Results are estimates only.
- Post spacing, rail counts and picket sizes can vary by manufacturer and fence style.
- Consider ordering an additional 5–10% for damaged boards and custom cuts.
- Verify fence line measurements and post spacing before purchasing materials.
- Check local building codes and HOA rules for fence height and setback requirements.
How This Calculator Works
- 1Enter the total fence length and your chosen post spacing (6-8 ft is typical).
- 2Enter how many horizontal rails each section needs (2-3 for most residential fences).
- 3We calculate posts, rails, and an approximate picket count from standard spacing.
Helpful Tips
- Set corner and gate posts in concrete regardless of your standard post spacing.
- Check local code and HOA rules for maximum fence height before you build.
- Order 5-10% extra pickets to allow for damaged boards and custom cuts at corners.
This calculator provides an estimate for planning purposes only. Material needs vary by site conditions, waste and supplier specifications — always confirm final quantities with your contractor or supplier before purchasing.