Fence Calculator
Use this fence calculator to estimate fence length, posts, panels or materials. Enter boundary length, panel size, post spacing and gate details and review an estimated fence layout and material count.
Posts needed
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Rails —
Pickets —
Concrete bags (50 lb) —
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How it works
Posts = length ÷ spacing + 1; pickets = length ÷ (picket width + gap)How to use the Fence Calculator
Start by entering boundary length, panel size, post spacing and gate details. Keep the units consistent and check that each value belongs to the same question.
The result gives an estimated fence layout and material count. Ground conditions, corners, gates and local rules can change the final quantity. Use it as a guide and check any instructions, rules or professional advice that apply.
Frequently Asked Questions
What does this fence calculator calculate?
It gives an estimated fence layout and material count. Ground conditions, corners, gates and local rules can change the final quantity.
What information should I enter?
Enter boundary length, panel size, post spacing and gate details. Use the same units throughout so the result is easier to understand.
How accurate is the post count?
It is a planning estimate. Count corners, gates and end posts separately before buying materials.