
It's about as big as a Bathtub.
In other words, the size of a Bathtub is 1 times 156 liters.
(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 160 L. 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 two times as big as a Car Gas Tank.
In other words, 156 liters is 2.06 times the size of a Car Gas Tank, and the size of a Car Gas Tank is 0.4850 times that amount.
(for 2009 Ford Taurus)A car gas tank (for example, that of a 2009 Ford Taurus) holds 75.7 L of gas. In contrast, the Curved Dash Oldsmobile — the first massproduced car — had a fuel capacity of just 20 L.
It's about twoandahalf times as big as a Beer Keg.
In other words, 156 liters is 2.660 times the size of a Beer Keg, and the size of a Beer Keg is 0.3760 times that amount.
(Half barrel; maximum capacity)The most common keg size sold by US beer sellers is a halfbarrel type with a volume of 58.7 L. This type of keg contains the equivalent of 165 0.35488 L cans of beer.
It's about onefifth as big as a Hot Tub.
In other words, 156 liters is 0.2170 times the size of a Hot Tub, and the size of a Hot Tub is 4.610 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, fourperson hot tub holds 719 liters of water. Modern hot tubs became popular outside of Japan starting in about 1940.
It's about fourteen times as big as a Basketball (packed).
In other words, 156 liters is 14.053625306 times the size of a Basketball (packed), and the size of a Basketball (packed) is 0.071156016916 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 7.10421672870 liters. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about nineteen times as big as a Bowling Ball (packed).
In other words, 156 liters is 18.9473301690 times the size of a Bowling Ball (packed), and the size of a Bowling Ball (packed) is 0.052777884329 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 5.26934397150 liters. 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.
It's about twenty times as big as a Basketball.
In other words, 156 liters is 21.9587895410 times the size of a Basketball, and the size of a Basketball is 0.045539850825 times that amount.
(NBA official ball standards, Size 7)A NBA official ball, manufactured by Spalding, is a Size 7 ball and measures about 7.10421672870 liters. The surface of these balls have 4,118 pebbles with a diameter of 2.5 mm each. 
