It's about 20,000,000 times as big as a Human Stomach
It's about 25,000,000 times as big as an Ostrich Egg
In other words, 2,500,000,000 tablespoons is 22,650,000 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 0.000000044150 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 65,000,000 times as big as a STARBUCKS Venti Coffee
In other words, the size of a STARBUCKS Venti Coffee is 0.0000000160 times 2,500,000,000 tablespoons.A STARBUCKS Venti coffee drink measures 40 tablespoons. The name of the size, Venti, is the Italian word for twenty.
It's about 70,000,000 times as big as a Blood Donation
It's about 0.000000009 times as big as an Halley's Comet
In other words, 2,500,000,000 tablespoons is 0.00000000920 times the size of an Halley's Comet, and the size of an Halley's Comet is 110,000,000 times that amount.(Comet Halley, officially "1P/Halley") (volume calculated based on 2005 dimensions)
Halley's Comet, the famous comet visible to observers on Earth approximately every 76 years, has a peanut- or potato-shaped nucleus made of rock, dust, ice, and various frozen gasses. The nucleus measures approximately 15 km by 8 km by 8 km, which yields a calculated volume of 270,000,000,000,000,000.00000000000000000000 tablespoons. The coma of the Comet — the trail of sublimated gasses that give the Comet its visibility — may be up to 100,000 km in length.
It's about 100,000,000 times as big as a Baseball (packed)
In other words, 2,500,000,000 tablespoons is 112,460,490 times the size of a Baseball (packed), and the size of a Baseball (packed) is 0.00000000889201180 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).
It's about 0.000000009 times as big as The Grand Canyon
In other words, 2,500,000,000 tablespoons is 0.000000008860 times the size of The Grand Canyon, and the size of The Grand Canyon is 113,000,000 times that amount.(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
A dynamic and continuously changing landscape, the Grand Canyon has an approximate volume of 282,000,000,000,000,000.000000000000000000000 tablespoons. The strata of the rock visible in the Canyon's walls display nearly 2 billion years of geological history.