It's about one-tenth as big as a Bathtub
In other words, 1,350 tablespoons is 0.120 times the size of a Bathtub, and the size of a Bathtub is 8.30 times that amount.(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 11,000 tablespoons. 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 ten times as big as a Human Stomach
It's about twelve times as big as an Ostrich Egg
In other words, 1,350 tablespoons is 12.230 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 0.08177 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 thirty times as big as a STARBUCKS Venti Coffee
In other words, the size of a STARBUCKS Venti Coffee is 0.029 times 1,350 tablespoons.A STARBUCKS Venti coffee drink measures 40 tablespoons. The name of the size, Venti, is the Italian word for twenty.
It's about one-thirty-fifth as big as a Hot Tub
In other words, the size of a Hot Tub is 36 times 1,350 tablespoons.(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, four-person hot tub holds 48,600 tablespoons of water. Modern hot tubs became popular outside of Japan starting in about 1940.
It's about 40 times as big as a Blood Donation
It's about 60 times as big as a Baseball (packed)
In other words, 1,350 tablespoons is 60.7286620 times the size of a Baseball (packed), and the size of a Baseball (packed) is 0.016466689 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).