关于本计算器
Shingle bundles from roof length, width and pitch with slope factor and 10% waste.
屋顶瓦计算器
按面积坡度算瓦包数。
输入计算参数
计算结果摘要
瓦片捆数45
屋顶面积 (ft²)1341.640786
系数×1.12
常见问题
Slope factor?
√(pitch² + 144) ÷ 12 converts plan area to true roof area.
Bundle coverage?
Standard 33.3 ft² per bundle (3 bundles = 100 ft² square).
Steep roofs?
Higher pitch wastes more on cuts — the factor grows automatically.