Fence Material Calculator

🪧 Fence Material Calculator

Total Fence Length (ft)

Fence Height (ft)

Fence Type

Post Spacing (ft)

📊 Materials Needed

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Fence Planning Tips

Always call 811 (US) before digging to check for underground utilities.
Set posts at least 1/3 of total post length into the ground (e.g., 2 ft deep for a 6 ft fence).
Use 2 bags of fast-setting concrete per post for a 6-ft fence.
Add 10% extra boards for cuts and waste.

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How to Use This Calculator

Measure the total linear footage of fence line — walk the perimeter with a measuring tape or use a property survey.
Select your fence height (6 ft is standard for privacy; 4 ft for decorative or garden fences).
Choose your fence type: wood privacy, vinyl panel, or chain-link.
Select post spacing: 6 ft is standard for most residential fences; 8 ft works for lighter vinyl panels.
The calculator outputs posts, concrete bags, and the specific board/panel/roll count for your fence type.

The Formula Explained

Posts = (Linear Ft ÷ Post Spacing) + 1 | Concrete = Posts × 2 bags | Pickets = (Linear Ft ÷ 0.5) × 1.1

The post count adds 1 to account for the terminal post at the end of each run. Concrete is estimated at 2 bags of 50-lb fast-setting concrete per post for a 6-foot fence — deeper frost lines in cold climates may require 3 bags. Wood pickets are spaced every 6 inches (0.5 ft), with a 10% waste factor for cuts around gates and corners. Vinyl panels are measured by the section width matching your post spacing.

Material Buying Guide

The right fence material depends on your priorities — privacy, durability, maintenance tolerance, and budget:

Pressure Treated Pine Posts: Use 4×4 for fences up to 6 ft, 6×6 for 8 ft or taller. Always set in concrete with the post base 2 inches above grade to prevent rot — or use a metal post anchor instead of direct burial.
Cedar or Redwood Pickets: Naturally rot-resistant, take stain beautifully, and last 15–20 years. Cost roughly $1.50–$3 per picket. Pre-primed pine pickets are cheaper but require painting within 6 months.
Vinyl Fence Panels: Zero-maintenance, won't rot or warp, and most come with lifetime warranties. Costs $25–$40 per linear foot installed. Not ideal for high-wind areas without additional post reinforcement.
Chain-Link: Most economical option at $8–$15/linear ft installed. Comes in galvanized or vinyl-coated. Add privacy slats ($2–$4/linear ft) if privacy is a concern.
Concrete: Quikrete Fast-Setting No-Mix is the easiest for DIY post installation — pour dry into the hole and add water. Two 50-lb bags per post is the standard recommendation for 6-foot fences.

Frequently Asked Questions

How deep should fence posts be set?

The standard rule is one-third of the total post length below grade. For a 6-foot fence using 9-foot posts, set the post 3 feet deep. In cold climates, posts must go below the frost line to prevent heaving — this can be 36–48 inches in northern states.

Do I need to call before I dig?

Yes — call 811 (the national "Call Before You Dig" number in the US) at least 3 business days before any digging. It's free and legally required in every state. Buried utility lines for gas, electric, water, and cable can be inches from the surface.

Do I need a permit for a fence?

Many municipalities require permits for fences over 6 feet tall, or fences along property lines shared with neighboring properties or rights-of-way. Always check with your local zoning office. HOAs may have additional restrictions on height, style, and materials.

How long does fence installation take?

A professional crew installs roughly 150–200 linear feet per day for a standard wood privacy fence. For a 150-foot fence, expect 1 day of work plus concrete curing time (24–48 hours before attaching boards). DIY installs typically take a full weekend for 100–150 feet.

How do I find my property line before fencing?

Check your property survey (included in your home closing documents), look for iron survey pins at corners, or hire a licensed surveyor ($300–$700). Never assume a neighbor's fence or a natural feature marks your property line — encroachment disputes are costly and stressful.

🏗️ Pro Tip: Call 811 (Call Before You Dig) at least 3 business days before setting any fence posts — it's free, takes 2 minutes, and is legally required in most states. Hitting a buried utility line can cost thousands in repairs. Post holes should reach at least one-third the total post length in depth, deeper in frost-prone climates.