Just how big is Starbucks' new Trenta size?

The Trenta, available only for iced drinks, will be in every U.S. Starbucks by May 3.

The 31oz addition to the Starbucks lineup is 325mL larger than Starbucks' previous largest size, the Venti. At 916 mL, the Trenta is actually larger than the average capacity of the adult human stomach (900mL). From the National Post:

Graphic from the National Post, used with permission