Calculation of financial benefits: |

1700 gallons of water = $ 38.23 1 gallon of water = $ 0.0225 50 gallon rain barrel: $ 1.12 |

How much water do I collect? Volume of water in cubic feet = Area of rainfall in square feet x rainfall in inches x 1/12 inches to feet conversion x 7.48052 cubic feet to gallon conversion For example: 1300 x 1.25 x 1/12 x 7.48052 = 1012 Gallons |