It's about nine-tenths as big as an Ostrich Egg
In other words, 100 tablespoons is 0.90610 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 1.1040 times that amount.(Struthio camelus) (for common ostrich; average)
The largest egg produced by living birds, ostrich eggs measure about 108.20 tablespoons in volume. The eggs take about nine weeks to hatch, with males and females taking turns incubating them.
It's about seven-tenths as big as a Human Stomach
It's about two-and-a-half times as big as a STARBUCKS Venti Coffee
In other words, the size of a STARBUCKS Venti Coffee is 0.40 times 100 tablespoons.A STARBUCKS Venti coffee drink measures 40 tablespoons. The name of the size, Venti, is the Italian word for twenty.
It's about three times as big as a Blood Donation
It's about three-tenths as big as The Blood in a Human Body
In other words, the size of The Blood in a Human Body is 3 times 100 tablespoons.(for 70 kg body; average altitude; average)
The volume of blood in the average human body is about 300 tablespoons. Persons living at high altitude, however, may have up to an additional 100 tablespoons of blood to compensate for the lower oxygen level.
It's about three-tenths as big as a Bowling Ball
In other words, 100 tablespoons is 0.280618704360 times the size of a Bowling Ball, and the size of a Bowling Ball is 3.56355433360 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 356.355433350 tablespoons. 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 four-and-a-half times as big as a Baseball (packed)
In other words, 100 tablespoons is 4.49841940 times the size of a Baseball (packed), and the size of a Baseball (packed) is 0.22230030 times that amount.(64% packing density) (MLB rules)
Per Major League Baseball rules, a baseball must measure between about 13.6428320 tablespoons and 14.8116070 tablespoons. A major league pitcher can throw a fastball at up to 150 kph (91 mph).