Popsugar Living Food News Starbucks Food Facts Facts All the Real Starbucks Lovers Out There Need to Know November 18, 2015 by Erin Cullum First Published: April 10, 2015 View On One Page Photo 5 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 The Trenta is slightly bigger than your stomach, with the capacity to hold 916 milliliters. The stomach on average has a capacity of 900 milliliters. There are more than 87,000 possible drink combinations at Starbucks. Previous Next Start Slideshow Food NewsFacebookStarbucksCoffee