Fence Calculator
Estimate fence posts, rails, pickets, and total cost
Total linear feet
Distance between posts
Height of the fence
Width of each picket
Gap between pickets
Posts Needed
—
posts
Rails Needed
—
rails
Pickets Needed
—
pickets
Concrete for Posts
—
bags
Estimated Cost
—
USD
How to Use This Calculator
Our fence calculator helps you determine posts, rails, pickets, and concrete needed.
- Measure total fence line length
- Decide post spacing
- Choose fence height
- Enter specifications
- Add 5-10% extra
AI Insights
Smart analysis for your project
Smart Estimates
Our AI cross-references material costs, regional pricing, and project complexity for more accurate estimates.
Waste Optimization
AI-calculated waste factors based on project type, not flat percentages. Saves 5-15% on material costs.
Best Practices
Recommendations derived from building codes, contractor data, and thousands of completed projects.
Calculation Formula
Posts = (Length / Spacing) + 1
Rails = (Posts - 1) x 2
Pickets = Length / ((PicketWidth + Spacing) / 12)
Frequently Asked Questions
How far apart should fence posts be?
6-8 ft for wood fences, 10 ft for chain link. Use closer spacing for tall fences or high wind.
How much does a wood fence cost?
$15-$45 per linear foot installed. A 100-foot fence costs $1,500-$4,500. DIY saves 40-50%.