A little drop of water makes an ocean. Saving drops of rainwater today will help you to overcome the scarcity in future. Rainwater harvesting is the method of collecting rainwater drops that fall on the roof of buildings, houses etc. Calculate rainwater harvesting with roof area and the amount of rainfall using the below rainwater harvesting formula. Just multiply roof area, amount of rainfall and amount of total rainwater expected for harvesting.
The above rainwater harvesting formula in this page will be efficient and much-needed one for the society to save the rainwater which would be the precious one in future.