排水槽尺寸计算器
为屋顶排水面积设计排水槽
sq ft
in/hr
公式
GPM = Area × Rainfall × 0.0104
Converts sq ft and in/hr to gallons per minute.
示例
1500sqft, 4in/hr
5-inch gutters with 2 downspouts.
常见问题
关于 排水槽尺寸计算器
Size gutters and downspouts for roof drainage.
为屋顶排水面积设计排水槽
Converts sq ft and in/hr to gallons per minute.
5-inch gutters with 2 downspouts.
Size gutters and downspouts for roof drainage.