Fence Post calculator.
Count posts for a straight run using the maximum spacing from your own plan.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
A straight run includes both end posts. Shared corner and gate posts must be accounted for in a full project.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Solid run length (exclude gates)
- 10 m
- Specified maximum post spacing
- 3 m
Posts in this run: 5 posts
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-03. Calculation and review policy.