Fence Post Calculator - Free, Instant, In Your Browser
Enter the total fence perimeter and the desired post spacing (both in feet) to calculate the number of posts needed.
How to use Fence Post Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Fence Post Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Posts needed = ceiling(perimeter / post spacing).
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.