Construction
Fence Posts Calculator
Estimate fence posts for a length.
Formula
Posts = length ÷ spacing + 1.
How it works
For example, 100 ft at 10 ft spacing needs 11 posts.
FAQs
What does the Fence Posts Calculator do?
It takes the values you enter and works out the fence posts calculator for you, showing the result straight away.
What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.
Can I use the result for everyday math?
Yes. It is a general-purpose math helper; for professional work, still check the steps against your own working.
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Each page shows the formula it uses, so you can check the result yourself.
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