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DIY

How Many Fence Boards Do You Need?

Calculate fence boards, posts, and rails by length. Privacy, picket, and ranch styles.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

Componentes

Postes: cada 6-8 pies (4×4 para cercas de 6 pies). Rieles: 2-3 por sección (2×4). Tablas: depende del ancho. Con tablas de 5.5": necesitas ~22 por sección de 8 pies. Para 100 pies lineales con secciones de 8 pies: 13 postes + 26-39 rieles + ~275 tablas + 10% desperdicio.

Costos

Madera tratada: $15-35/pie lineal instalada. DIY materiales: $8-18/pie. Para 200 pies: $1,600-3,600 DIY, $3,000-7,000 profesional. El trabajo más difícil: postes — alquila un taladro de poste ($50-75/día) para hoyos uniformes.

⚡ CalcWolf Insight

The most common fence failure: inadequate post depth. Posts should be 1/3 below ground (minimum 24 inches for a 6-foot fence) and set in concrete. Gravel-only posts lean within 2-3 years. Concrete costs $3-5 per post and adds decades to fence lifespan. This is not the place to cut corners.

Frequently asked questions
¿Cuántas tablas para 100 pies de cerca?▾
Con tablas de 5.5" en secciones de 8 pies: ~275 tablas. 13 postes 4×4. 26-39 rieles 2×4. Agrega 10% desperdicio.
¿Cada cuántos pies un poste?▾
6-8 pies entre postes. 8 pies es estándar porque coincide con longitud de tablas. En viento fuerte o terreno empinado: reduce a 6 pies.
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Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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