It's about three-fifths as big as a Hot Tub
In other words, 850 pints is 0.5590 times the size of a Hot Tub, and the size of a Hot Tub is 1.790 times that amount.(for Lifesmart Rock Solid Simplicity Plug and Play 4 Person Spa With 12 Jets) (a.k.a. Spa, a.k.a. Jacuzzi, a.k.a. Whirlpool) (Advertised Capacity)
An average, four-person hot tub holds 1,520 pints of water. Modern hot tubs became popular outside of Japan starting in about 1940.
It's about two-and-a-half times as big as a Bathtub
In other words, the size of a Bathtub is 0.40 times 850 pints.(a.k.a. bath, a.k.a. tub) (for Bootz Industries Aloha 5 ft. Left Hand Drain Soaking Tub)
The capacity of a typical bathtub is 340 pints. Historically, bathtubs have been made of various materials including marble, terracotta, silver, gold, and iron but the size and shape of the tubs has changed little in their 7,000 year history.
It's about five-and-a-half times as big as a Car Gas Tank
In other words, 850 pints is 5.310 times the size of a Car Gas Tank, and the size of a Car Gas Tank is 0.1880 times that amount.(for 2009 Ford Taurus)
A car gas tank (for example, that of a 2009 Ford Taurus) holds 160 pints of gas. In contrast, the Curved Dash Oldsmobile — the first mass-produced car — had a fuel capacity of just 42.30 pints.
It's about seven times as big as a Beer Keg
In other words, 850 pints is 6.850 times the size of a Beer Keg, and the size of a Beer Keg is 0.1460 times that amount.(Half barrel; maximum capacity)
The most common keg size sold by US beer sellers is a half-barrel type with a volume of 124 pints. This type of keg contains the equivalent of 165 0.750 pints cans of beer.
It's about one-twenty-fifth as big as a Concrete Mixer Truck
In other words, the size of a Concrete Mixer Truck is 27 times 850 pints.(a.k.a. cement mixer, a.k.a. cement mixer truck, a.k.a. cement transport truck, a.k.a. concrete mixer, a.k.a. concrete transport truck, a.k.a. in-transit mixer)(standard size; drum capacity)
A concrete mixer truck has a drum volume of up to 23,000 pints. Concrete mixer trucks can be in transit for about 90 minutes before the concrete dries — if the concrete dries while in the drum, jackhammers or even dynamite must be used to remove it.
It's about forty times as big as a Basketball (packed)
In other words, 850 pints is 36.2331290180 times the size of a Basketball (packed), and the size of a Basketball (packed) is 0.027599051672 times that amount.(64% packing density) (NBA official ball standards, Size 7)
A NBA official ball, manufactured by Spalding, is a Size 7 ball measures about 15.013884109 pints. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about 50 times as big as a Bowling Ball (packed)
In other words, 850 pints is 48.8501040550 times the size of a Bowling Ball (packed), and the size of a Bowling Ball (packed) is 0.020470785464 times that amount.(64% packing density) (USBC specifications; tenpin)
According to United States Bowling Congress specifications, a tenpin bowling ball should measure at least 10.795 cm (4.25 in) in radius for a total volume of about 11.1361072920 pints. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 5 kg (11 lbs) will float in water.