雨水桶计算器
为屋顶径流确定雨水桶大小
sq ft
inches
gal
公式
Gallons = Area × Rainfall × 0.623
0.623 gallons per sq ft per inch of rain.
示例
1000sqft, 3"
~1,869 gallons/month.
常见问题
关于 雨水桶计算器
Size rain barrels based on roof area and rainfall.
为屋顶径流确定雨水桶大小
0.623 gallons per sq ft per inch of rain.
~1,869 gallons/month.
Size rain barrels based on roof area and rainfall.