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R: Rainfall Intensity (in millimeters per hour) | R: Rainfall Intensity (in millimeters per hour) | ||
C: Collection Efficiency (expressed as a decimal or percentage) | C: Collection Efficiency (expressed as a decimal or percentage) | ||
Here, ''A'' could represent a roof area, and ''C'' is the effectiveness of your rainwater collection system. It takes into account factors like runoff, leaks and losses. You can express it as a decimal (e.g., 0.75 for 75%) or a percentage (e.g., 75%). | |||
'''Example in metric''' | '''Example in metric''' |