It's about 250 times as big as a Basketball.
In other words, 441.350 gallons is 235.168992540 times the size of a Basketball, and the size of a Basketball is 0.0042522612748 times that amount.(NBA official ball standards, Size 7)
A NBA official ball, manufactured by Spalding, is a Size 7 ball and measures about 1.87673551360 gallons. The surface of these balls have 4,118 pebbles with a diameter of 2.5 mm each.
It's about 300 times as big as The Blood in a Human Body.
In other words, the size of The Blood in a Human Body is 0.003 times 441.350 gallons.(for 70 kg body; average altitude; average)
The volume of blood in the average human body is about 1 gallons. Persons living at high altitude, however, may have up to an additional 0.50 gallons of blood to compensate for the lower oxygen level.
It's about 300 times as big as a Bowling Ball.
In other words, 441.350 gallons is 317.05872684 times the size of a Bowling Ball, and the size of a Bowling Ball is 0.0031539898301 times that amount.(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 1.39201341150 gallons. 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 800 times as big as a Human Stomach.
It's about 1,000 times as big as an Ostrich Egg.
In other words, 441.350 gallons is 1,024 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 0.0009766 times that amount.(Struthio camelus) (for common ostrich; average)
The largest egg produced by living birds, ostrich eggs measure about 0.42270 gallons in volume. The eggs take about nine weeks to hatch, with males and females taking turns incubating them.
It's about one-one-thousand-five-hundredth as big as a Hot Air Balloon.
In other words, the size of a Hot Air Balloon is 1,300 times 441.350 gallons.(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 580,000 gallons. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
It's about one-one-thousand-five-hundredth as big as an Olympic Swimming Pool.
In other words, the size of an Olympic Swimming Pool is 1,500 times 441.350 gallons.(FINA regulation; (minimum capacity)
According to the Fédération Internationale de Natation (FINA), a swimming pool for Olympic and world championship events must measure 50 m by 25 m with a depth of at least 2 m for a total volume of 660,000 gallons. A pool of this size was to be used in Olympic time trials in New Jersey in early 2008, but its component pieces were stolen from a warehouse, likely to be sold for scrap metal.