Rainwater Collection Calculator in Gallons
Rainwater can be collected from the roofs using the rain water harvesting method. The collectable rainwater from the roof can be calculated in gallons using this calculator based on the rainfall and area.
Calculate Rainwater Collection in Gallons
Code to add this calci to your website
r = 0.5 * f * a
r = Rainwater Collection in Gallons
f = Rain Fall
a = Area