Corner Post Calculator — Calculate Fencing Materials and Costs

Corner Post Calculator

Calculate the number of corner posts, materials, and costs for your fencing project. Determine post spacing, rails, and total project expenses.

Step 1: Fence Dimensions

100 ft
6 ft
8 ft

Post Spacing Guidelines

Standard post spacing is 6-8 feet for wood fences, 8-10 feet for vinyl. Corner posts are thicker and require deeper footings for stability.

Step 2: Materials & Costs

$25
$15
$2/ft

About Corner Posts

Corner posts are critical for fence stability. They’re typically thicker (4×4 or 6×6) and require deeper footings than line posts. Always use pressure-treated wood for ground contact.

Fence Materials & Cost Results

Summary
Materials List
Cost Breakdown

Total Project Cost

$1,245
Based on 100 ft fence with 6 ft height
Corner Posts Needed
4
Line Posts Needed
11
Total Rails Needed
300 ft
Cost Per Foot
$12.45/ft

Complete Materials List

Material Quantity Unit Cost Total Cost

Cost Breakdown by Material

Corner Post Calculation Formula

Number of Corner Posts = Number of corners in fence layout

For rectangular fences: Typically 4 corner posts. For irregular shapes: Count each external angle. Line posts = (Fence Length ÷ Post Spacing) – Corner Posts.

Need Professional Fencing Help?

Connect with our fencing experts for detailed project planning, material recommendations, and professional installation quotes for your fencing project.

Get Professional Quote