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屋根面積計算ツール
水平投影面積と勾配から、シンプルな切妻屋根の表面積と屋根材の必要量を見積もることができます。
ツール操作エリア
アカウント不要The calculation runs locally using browser APIs; it does not require uploading measurements. Optional analytics and advertising have separate consent and privacy disclosures. Avoid sensitive inputs.
- Sloped surface area
- 89.4427191 m²
- Area including allowance
- 98.38699101 m²
- Roofing squares including allowance
- 10.590287574
Simple uniformly pitched roof only: horizontal footprint area × sqrt(1 + (rise/12)²). Include overhangs in the footprint yourself. Excludes complex valleys, dormers, installation requirements, and structural design. One roofing square = 100 ft².