Door Area Calculator
Calculate the area of one or multiple doors. Enter width, height, and count.
How to Use the Door Area Calculator
- Enter door width in cm.
- Enter door height in cm.
- Enter the number of doors.
- Click Calculate.
クイックリファレンス
| 変換元 | 変換先 |
|---|---|
| 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 150×210 | 3.15 m² |
使用例
- •Calculating paint for doors.
- •Deducting door openings from wall area.
- •Ordering replacement door panels.
- •Planning door finishing projects.
計算式
Area per door = (Width / 100) × (Height / 100). Total = Area × Number.
よくある質問
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.