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Calkulon

So berechnen Sie Door Rough Opening

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Door Rough Opening Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formel

RO Width = Door Width + 2 inches; RO Height = Door Height + 2.5 inches

Schritt-für-Schritt-Anleitung

  1. 1Add framing clearance to door dimensions for rough opening
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Gelöste Beispiele

Eingabe
32 inch × 80 inch door
Ergebnis
RO = 34 inches wide × 82.5 inches tall

Häufige Fehler vermeiden

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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Einstellungen