KOHLER: Water Use Calculator: Conservation/Innovation: Bathroom

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	This calculator will assist in estimating your building's water usage in comparison to the U.S. average and the LEED baseline. This tool is for illustration purposes only.

Building Information
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	Choose your calculation unit:


	Days per year the building is occupied:

	Number of male occupants:

	Number of female occupants:



	Toilets

	Gallons per flush:	2.0	1.6

	Flushes per day (men):	1.0	1.0

	Flushes per day (women):	3.0	3.0



	Urinals

	Gallons per flush:	1.5	1.0

	Uses per male per day:	3.0	3.0



	Bathroom Sink Faucets

	Gallons per minute:	2.0	2.2



	Minutes per person per day:	0.0	0.0



	Showers

	Gallons per minute:	2.0	2.5



	Average shower duration (min.):	0.0	0.0

	% of staff using showers:	0.0	0.0



	Kitchen/Dining Area Faucets

	Gallons per minute:	2.0	2.2



	Minutes per person per day:	0.0	0.0

* All data taken from Handbook of Water Use and Conservation, by Amy Vickers, 2001. If more than one flush volume is used, a weighted average is required for the flush volume.