Fence Material Calculator
Estimate the number of pickets, posts, and rails required for your fence project based on perimeter length and spacing. Professional boundary planning.
Pickets Needed
Posts Needed
Rails Needed
Understanding Components
A complete fence system consists of vertical posts for structural support, horizontal rails to bridge the span, and pickets or panels for visual screening. Precise calculation prevents material shortages mid-project and ensures your perimeter is structurally sound.
Privacy Style
Privacy fences use 0" spacing between pickets. This provides maximum visual security but creates a large "sail" effect that catches significant wind loads.
Shadowbox Style
Shadowbox fences alternate pickets on both sides of the rails. This allows airflow while maintaining privacy and looks equally finished on both sides.
Material Equations
Post Distribution Logic
Posts = (Length ÷ Spacing) + 1
Always remember to add "+1" to your post count to account for the final terminal post in the run.
Wind & Durability
- Spaced pickets reduce wind pressure
- Privacy panels require deeper post holes
- Use 3 rails for fences over 5' height
- Set posts in concrete for loose soil
The 2-Foot Rule
Standard post depth is 1/3 of the total post length. For a 6-foot high fence, ensure at least 24 inches are buried with 6 inches of gravel at the bottom for drainage to prevent post rot.
Picket Requirements (per 100 ft)
Picket Width Spacing Count 3.5" 0" (Privacy) 343 3.5" 2" (Picket) 219 5.5" 0" (Privacy) 219 5.5" 3" (Decorative) 142 Frequently Asked Questions