How much material do I need for a fence?
Estimate posts, rails, and pickets for a privacy fence based on property length, fence height, and number of rails.
Fence calculator
Choosing the Right Fence Material
Fence material determines privacy, durability, maintenance, and cost. The best choice balances your need for privacy, security, and appearance with your budget.
Wood Fencing: The classic choice for privacy and appearance. Common woods include pressure-treated pine, cedar, and redwood. Wood fences require staining or sealing every 2–3 years but offer the most design flexibility with picket styles, heights, and finishes.
Vinyl Fencing: Low-maintenance and long-lasting. Vinyl never rots, warps, or needs painting. Available in various styles including privacy, semi-privacy, and picket. Higher upfront cost than wood but zero maintenance over its 20–30 year lifespan.
Chain Link Fencing: The most economical and durable option. Chain link provides security and defines boundaries without blocking views. Can be enhanced with privacy slats or vines. Ideal for large areas, pet enclosures, and security fencing.
Metal / Aluminum Fencing: Decorative and durable. Wrought iron or aluminum fences offer a classic look with minimal maintenance. Best for front yards, pool enclosures, and areas where you want visibility with a secure barrier. Aluminum is lighter and rust-resistant.
Fence Material Cheat Sheet
Use this reference to choose the right fence:
| Material | Privacy | Maintenance | Lifespan |
|---|---|---|---|
| Wood | High (privacy styles) | Moderate (stain every 2–3 years) | 10–20 years |
| Vinyl | High (solid panels) | None (rinse with hose) | 20–30 years |
| Chain Link | Low (see-through) | Low (occasional rust touch-up) | 20+ years |
| Metal / Aluminum | Low (decorative) | Low (occasional cleaning) | 25–50 years |
Fence building tips
- Post depth: Bury posts 1/3 of the fence height plus 6 inches (minimum 24 inches)
- Post spacing: 8 feet is standard; reduce to 6 feet in windy areas
- Concrete: Use one 60-lb bag per post for most fences
- Picket spacing: 1/8 to 1/4 inch gap for airflow and expansion
- Gate opening: Leave 3-4 feet for pedestrian gates, 10-12 feet for drive gates
Worked example
For example, for a 50-ft fence section, 6 ft tall, with 3 rails per section:
- Sections at 8-ft spacing = 50 ÷ 8 = 6.25 → 7 sections
- Posts = 7 + 1 = 8 posts
- Rails = 7 × 3 = 21 rails
- Pickets = (50 × 12) ÷ 5.5 = 109 pickets
- Add 5% for waste: 115 pickets, 9 posts, 23 rails
Common mistakes
| Mistake | Why it matters |
|---|---|
| Setting posts too shallow | Posts should be set at least 2 ft deep for a 6-ft fence, or 1/3 of total height |
| Not checking property lines | Always verify property boundaries before digging — neighbor disputes are expensive |
| Using the wrong post-hole concrete | Use fast-setting concrete that needs no mixing — just pour dry and add water |