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Publicado: 2026-08-30Última actualización: 2026-08-19Por Davide Coronese

Calculadora Pintura Paredes

Habitacion, puertas, ventanas y manos: area, litros y botes.

Paint formulaFuente verificada
Wall = 2(L+W)×H | Net = Wall - Doors×1.9 - Windows×1.5 | Liters = Net/Coverage ×Coats

Perimeter times height is wall area. Subtract openings, divide by coverage to get liters per coat, multiply by coats, ceil to can sizes.

Guía Completa para Calculadora Pintura

Habitacion, puertas, ventanas y manos: area, litros y botes.

Examples

  • 4×5m room, H2.7m, 1 door 1 window: wall 48.6, net 45.2 m², 10 m²/L 2 coats → 9.0 L → 9×1L or 2×5L.
  • 3×3m, H2.5m, no openings, 1 coat 12 m²/L → 2.5 L → 3 cans 1L.

⚠ Common mistakes

  • Forgetting to subtract doors/windows — overbuys 3-4 m² per opening.
  • One coat math when you need two — most colors need two coats for opacity.

Preguntas Frecuentes (FAQ) (2)

What coverage to use?

Check can: typical 10-14 m²/L for walls. Rough walls use lower.

Ceiling included?

Not by default. Add ceiling area L×W if painting it.

Fuentes y Referencias

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