Fresh Water - Daily Demand Estimate

Daily fresh-water demand by crew + technical uses - basis for sizing the fresh-water generator duty and the holding-tank capacity.

Fresh waterPotableSystem

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

Q_{fw} = \text{POB} \cdot q_{pc} + Q_{tech} + Q_{laundry}

Symbol	Meaning	Unit
$POB$	Persons on board	pax
$q_{pc}$	Per-capita consumption	L/day

Source: MLC 2006 - Title 3

Daily fresh-water demand by crew + technical uses - basis for sizing the fresh-water generator duty and the holding-tank capacity.