There are so many different Jacuzzi-brand spas and tubs, no single answer is possible. A small spa (like an outdoor hot tub, but seating only 2 adults) will take about 200 gallons. A big one ranges from 320 gallons (4 adults) to as much as 450 gallons (6 -7 adults)! An indoor Jacuzzi bathroom tub is much smaller, with a 5-to-6-foot long tub running anywhere from 55 to 75 gallons. But this is such a common question that every spec sheet and every web site for any spa will have the gallons right up front. So looking here for "the" answer is only the first step in your research...
At the hotel I work at we have rooms with 2 queens, one king, or one king and a jacuzzi
280,000-gallons http://www.pacificbeachhotel.com/Content.aspx?path=/ServicesAttractions/TheOceanarium
A Jacuzzi is a brand of hot tub which is so popular that many hot tubs of different brands are called Jacuzzi's. Typically, a Jacuzzi has jets of water or air. A hot tub usually does not have the jets, its just a tub of heater water.
264.172 gallons.
1,260 pounds of water is about 151 gallons of water.
42 gallons.
About 15,360 gallons.
360' gallons of water!!!!!!!
44,260 gallons of water.
58,168.52 gallons.
There is about four gallons of water in an average bucket of water.
448.8 US gallons of water.