How big is 7,100 liters?
It's about two-thirds as big as a Concrete Mixer Truck
The size of a Concrete Mixer Truck is about 11,000 liters.
(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)
It's about ten times as big as a Hot Tub
The size of a Hot Tub is about 719 liters.
(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)
It's about 95 times as big as a Car Gas Tank
The size of a Car Gas Tank is about 75.70 liters.
(for 2009 Ford Taurus)
It's about 100 times as big as a Beer Keg
The size of a Beer Keg is about 58.70 liters.
(Half barrel; maximum capacity)
It's about one-three-hundredth as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 2,200,000 liters.
(four-person capacity; envelope volume; average)
It's about one-three-hundred-fiftieth as big as an Olympic Swimming Pool
The size of an Olympic Swimming Pool is about 2,500,000 liters.
(FINA regulation; (minimum capacity)
It's about 650 times as big as a Basketball (packed)
The size of a Basketball (packed) is about 11.1003386390 liters.
(64% packing density) (NBA official ball standards, Size 7)
It's about one-eight-hundredth as big as The Goodyear Blimp
The size of The Goodyear Blimp is about 5,740,000 liters.
(for GZ-20A)
It's about 850 times as big as a Bowling Ball (packed)
The size of a Bowling Ball (packed) is about 8.23334995550 liters.
(64% packing density) (USBC specifications; tenpin)
It's about 1,000 times as big as a Basketball
The size of a Basketball is about 7.10421672870 liters.
(NBA official ball standards, Size 7)
It's about 1,500 times as big as a Bowling Ball
The size of a Bowling Ball is about 5.26934397150 liters.
(USBC specifications; tenpin)
It's about one-three-thousand-five-hundredth as big as The Lincoln Memorial Reflecting Pool

The size of The Lincoln Memorial Reflecting Pool is about 25,600,000 liters.
(Washington, D.C.)
It's about 4,000 times as big as a Human Stomach
The size of a Human Stomach is about 2 liters.
(human; adult)