2000 Sqft Roof 1inch Of Rain How Much Water

Since one inch of rainfall provides approximately 600 gallons of water for a 1 000 square foot catchment area and our theoretical house has a 2 000 square foot catchment area twice the area you will multiply 600 gallons by 2.

2000 sqft roof 1inch of rain how much water.

To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above. This calculation assumes a 90 efficiency. To find how much rain you can collect in an average rain year multiply this number by the average inches of rain. So a 50 x 20 roof is 600 x 240 multiply the roof dimensions by the number of inches of rainfall.

Surprisingly a single quarter acre of land in the city can harvest over 100 000 gallons of water annually. Rain barrel supplies list. 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. Rainfall calculator english units how much water falls during a storm.

Use our metric system version. Even though we live in the arid southwest santa fe receives an average of 14 2 inches over 66 days of rain each year. 36 4 x 46 4 2 000 sq ft your roof catchment area is thus 2 000 square feet. Just multiple the square footage of roof space you have available x 0 6 gallons per square foot per inch of rain and you can see how much water you can collect from each inch of rain that falls.

Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water. When you look at the numbers it s surprising how much water you can collect every time it rains. How much rainwater can i collect from my roof. 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.

It is the middle of july in georgia and both you and your tomatoes are wilting in your yard both looking to the sky and hoping for rain. For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.