# How to Calculate Rainfall?

There can be various reasons one may want to calculate rainfall around a home. Some people choose to harvest rainwater in order to use this natural water for gardening. Many people will harvest rainwater from a roof and first the area of the roof should be determined. Once that is done, measure the rainwater in inches. Know that an inch of rainfall on a square foot typically equals .623 gallons. Multiply that by the complete square footage already determined and the total rainfall you can harvest will be calculated.
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Q&A Related to "How to Calculate Rainfall?"
 1. Set a rain gauge or a can such as a coffee can outside your home. Leave any top off of the unit so that the inside is exposed. Make sure nothing like a tree or the overhang of http://www.ehow.com/how_7980560_calculate-rainfall...
 using an instrument by the name "RAIN GAUGE" ! http://wiki.answers.com/Q/How_the_rainfall_is_calc...
 The standard raingauge is 203mm in diameter (8" in the old measure) This is the exact diameter of the top of a funnel. Water falling in the funnel runs down into the bucket below http://answers.yahoo.com/question/index?qid=200712...
 Hi Dawn There are two ways: If the bucket has straight vertical walls, all you need to do is put a ruler in the bucket and that will give you a correct measurement. If the bucket http://en.allexperts.com/q/Meteorology-Weather-668...
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