๐งฑ Construction
Fence Calculator
Posts are usually set 8 feet apart and buried a third of their length below grade with concrete. Pickets are spaced a small gap apart, and that gap is what decides how many you need across the run.
How it works
Fence run length
Fence height
Post spacing
Picket width
Gap between pickets
Rails per section
Posts needed
Sections
Pickets needed
Rails needed
Concrete bags for posts
Frequently asked questions
How do I use the Fence Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.