OhMyCalc

Door Area Calculator

Calculate the area of one or multiple doors. Enter width, height, and count.

How to Use the Door Area Calculator

  1. Enter door width in cm.
  2. Enter door height in cm.
  3. Enter the number of doors.
  4. Click Calculate.

快速参考

70×200 cm (narrow)1.40 m²
80×200 cm (standard)1.60 m²
90×210 cm (exterior)1.89 m²
120×210 cm (double)2.52 m²
60×200 cm (closet)1.20 m²
Sliding door 150×2103.15 m²

使用场景

公式

Area per door = (Width / 100) × (Height / 100). Total = Area × Number.

常见问题

What is standard door size?
Standard interior doors are 80×200 cm. Exterior doors are often 90×210 cm.
Why calculate door area?
Useful for paint coverage, ordering door panels, or wall deductions.
Is it free?
Yes, all calculators are completely free.