http://www.cloughpondnh.org/lakesmart/gallon-calculator WebTo calculate the runoff from any given rainfall: Take the dimensions of the footprint of your roof and convert them to inches. (So, a 50' x 20' roof is 600" x 240".) Multiply the roof dimensions by the number of inches of rainfall. (In this example, 600" x 240" x 1" = 144,000 cubic inches of water.) Divide by 231 to get the number of gallons ...
How Much Rain Water Runs Off Your Roof? - Friends of Little …
WebTo determine these changes, divide the hourly rainfall number by the number of downspouts. For 2 downspouts, divide 3,450 by 2 and it reduces the requirement to 1,725 gallons per hour; therefore, the gutters could be reduced to 5” and the slope of the gutters to 1/8” ( noted by yellow below ). Web2 jan. 2024 · One inch of rain over 1,000 square feet of surface is 623 gallons of water. The roof of a house averages 3,000 square feet, therefore 1 inch of rain on a roof produces 1,869 gallons of water. Multiply that by 12 inches of rain and you get 22,000 gallons of water running off my roof in the last couple of weeks. That amount of water would be … fitbit charge 5 customer support
Irrigation Design Tip: Calculating Precipitation Rates Rain Bird
WebBut the rain hadn’t stopped. I awoke on the morning of September 15 th and heard reports that up to 2 inches of rain fell overnight. I went outside to check our gauge – only to see … Web11 mrt. 2024 · Do the Math: Find the gallons per minute (GPM) flow rate of the sprinkler being used from the package of the manufacturer. Multiply the square footage to be … WebHow much water is an inch of rain? One inch of rain falling on 1 acre of ground is equal to about 27,154 gallons and weighs about 113 tons. An inch of snow falling evenly on 1 acre of ground is equivalent to about 2,715 gallons of water. can fleas live in clothing