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CalcWolf DIY Calculadora de Tablas para Cerca
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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