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Pubblicato: 2026-08-30Ultimo aggiornamento: 2026-08-19Da Davide Coronese

Calcolatore Pittura Pareti e Soffitto

Stanza, porte, finestre e mani: area, litri e barattoli necessari.

Paint formulaFonte verificata
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.

Guida all'Uso: Calcolatore Pittura

Stanza, porte, finestre e mani: area, litri e barattoli necessari.

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.

Domande Frequenti (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.

Fonti e Riferimenti

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