Fence Posts
Use the Fence Posts. Enter Fence length (ft) and Post spacing (ft) for a clear result, formula explanation, and practical planning checks.
Fence Posts measurements
Enter your values, then calculate.
Result
How to calculate fence posts
This calculator finds how many farm fence posts are needed, including the starting post.
How the calculation works
Posts = ceil(Fence length ÷ Post spacing) + 1.
Example
150 ft, 12 ft spacing: ceil(150÷12)+1 = 13+1 = 14 posts.
Frequently asked questions
How is Result calculated?
Result = ceil([Fence length] ÷ [Post spacing]) + 1.
Is the Fence Posts free to use?
Yes — every calculator on Simple Calculator Tools is free, runs in your browser, and does not require an account.
Fence Posts
Posts = ceil(Fence length ÷ Post spacing) + 1.
Let's understand your fence posts result.
Calculate a result above and this guide will help you interpret it using this calculator's own formula and explanation.
Pro Tips for Fence Posts
- The +1 accounts for the very first post at the start of the run.
- Corner and gate posts may be counted separately in your plan.
Common Fence Posts Mistakes to Avoid
- Double-counting the +1 if also adding corner posts separately.
When to Use This Calculator
This calculator finds how many farm fence posts are needed, including the starting post.