Gallons Of Water On Roof

Or maybe a low pressure cell has been napping overhead and your arm is hurting from holding that umbrella while you watch your basement fill up with water.

Gallons of water on roof.

1 inch of rainfall in an hour will cover 1 sq ft. A service by the american water works association. Converting this to gallons per minute per square foot gpm ft 2. Either way you would like to know how much rain has fallen how many gallons have come down from the skies onto your roof yard block or town.

Rain barrel supplies list. Easy formula to remember. When you look at the numbers it s surprising how much water you can collect every time it rains. A typical outdoor trash can holds 32 gallons.

Rainwater collection calculator in gallons. Take the dimensions of the footprint of your roof and convert them to inches. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water. 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. If your average rainfall was 25 inches year your annual collection potential is 1 120 x 25 28 000 gallons year. If you capture the rainfall runoff from a storm that just produces 1 10th of an inch of rain onto a 20 by 30 foot roof you end up with a full 32 gallon container full of water with 5 gallons left over. An online drip calculator that calculates the amount of waste from your leaky faucets.

Convert the amount of rain from cubic inches into gallons. For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain. 1 of rain on 1 000 sf roof will yield 623 gallons roof area m 2 x precipitation amount mm amount collected liters other water conservation calculators. To a depth of 1 in 1 hour.

To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above. Required roof drainage flow rate in gallons per minute 0 0104 x rainfall rate x roof area where rainfall rate is expressed in inches per hour and roof area is given in square feet. The answer is definitely yes. In this example 600 x 240 x 1 144 000 cubic inches of water divide by 231 to get the number of gallons because 1 gallon 231 cubic inches.