WebAug 28, 2024 · The main thing to realize is that 1 inch of rainfall is enough to create a 1 inch deep layer of water on your roof. So the total volume of water on your roof is the square footage of your roof—let's say it's 1,000 square feet—times 1 inch = 1/12 of a foot. That's about 83.3 cubic feet of water per inch of rain for a 1,000 square foot roof. WebConvert the amount of rain from cubic inches into gallons. There are 231 cubic inches of water in a gallon, so, using our example above, divide cubic inches by 231, and you have a …
Cubic Inches to Gallons Convert Cubic Inches to Gallons
WebNov 19, 2014 · 1 inch of rain on a 1000 square foot roof yield 623 gallons of water. To calculate the amount of stormwater your roof yields, take the square footage of your … WebOct 18, 2024 · Rainwater Harvesting (Rain Barrels or Cisterns). Containers that collect roof runoff collect runoff from rooftops and convey it to a tank where it can be used for non-potable water uses and onsite infiltration. Cisterns may be located above or below ground and have a greater storage capacity than rain barrels. Rain Gardens. how many kids does mark few have
Water Measurement Units and Conversion Factors
WebDec 7, 2009 · Here is my take: 1 gallon of water equals 231 cubic inches 1 square foot, 1 inch tall equals 144 cubic inches (12"x12"X1") 1 square foot needs 0.624 gallons to equal 1 inch of cover... WebJun 17, 2024 · Use the following formula to calculate the amount of water after one inch of rainfall (in gallons) for each section: (0.623) x (square feet of surface area) x (% from lab demo*) = gallons of water *Remember 40% is written as “0.40” in an equation. WebTotal Area Method Formula: Pr = 96.25 X Total GPM Total Area Formula Explained: Pr – Precipitation rate in inches per hour. 96.25 – A constant that converts gallons per minute (GPM) to inches per hour. It is derived from 60 minutes per hour divided by 7.48 gallons per cubic foot. times 12 inches per foot. how many kids does mandela have