Gallons Per Square Foot Of Roof

Converting this to gallons per minute per square foot gpm ft 2.

Gallons per square foot of roof.

So a 50 x 20 roof is 600 x 240 multiply the roof dimensions by the number of inches of rainfall. Of water 231 sq in. 1 inch of rainfall in an hour will cover 1 sq ft. Max area of roof draining to one down.

Using a 10 000 sq. For example a 3 inch per hour rainfall will build up to a 3 inch depth on a flat roof in one hour at the rate of 1 87 gallons per hour sq. Sq ft safe for maximum rainfall reduce by 10 per 90 degree turn. Of water in a gallon 0 623 gallons per hour.

To calculate the runoff from any given rainfall. Rainwater can be collected from the roofs using the rain water harvesting method. To a depth of 1 in 1 hour. Where rainfall rate is expressed in inches per hour and roof area is given in square feet.

Take a guess what is the volume of water that runs off a 1 000 square foot roof during a 1 rain storm. Code to add this calci to your website. 5 ft 2. The answer is about 623 gallons.

Up to 6 12 7 12 8 12. Take the dimensions of the footprint of your roof and convert them to inches. 4 ft 2. Roof area the 3 inch rainfall will produce 18 700 gallons in one hour at the rate of 312 gallons per minute.

Roof area square feet per linear ft of gutter underneath.