Fence Board calculator.
Count pickets or boards using their actual width and your specified clear gap.
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.
The count estimates coverage with the specified gap. It does not prescribe a safe or suitable gap.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Solid run length (exclude gates)
- 10 m
- Actual board width
- 100 mm
- Specified gap
- 0 mm
- Waste allowance
- 10 %
Boards to purchase: 110 boards
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.