Fence Calculator

Estimate fence length, posts, panels, pickets, and extra material for wood, vinyl, chain link, and metal fencing projects.

Calculate Fence Needed

Your result will appear here.

How fencing is calculated

Panel formula:
Fence length ÷ panel width = number of panels

Post formula:
Panels + 1 = posts needed

For wood fences, this calculator also estimates picket count using picket width and gap spacing.

Why fence estimates matter

Knowing how much fencing material you need helps when planning privacy fences, yard enclosures, and property lines so you can order enough material before installation begins.

Extra material is often useful for waste, bad cuts, damaged pickets, and future repairs.

What your result means

Your result shows the estimated number of fence panels, posts, and pickets needed based on the length, spacing, and material inputs entered. The estimate also includes a waste allowance.

Actual fence needs can vary depending on corners, end posts, gates, terrain changes, and local installation practices. Always compare the result with your final fence layout before ordering materials.

Fence calculator tips

Frequently asked questions

How do you calculate how many fence posts are needed?

Divide the total fence length by the spacing between posts to estimate the number of sections, then add one more post for the end.

How do you estimate pickets for a wood fence?

Use the fence length and divide it by the effective picket coverage, which is the picket width plus the gap between pickets.

Should gates be included in the calculation?

Yes. Gates affect layout and material planning, especially when counting posts and total fence sections.

How much extra fence material should I buy?

Many projects use around 5% to 10% extra for waste, cuts, breakage, and future repairs.