A Starbucks Tall measures in at 12 US fluid ounces (350 milliliters). Grande: Pronounced GRAWN-day, Grande is Italian, Spanish, Portuguese and French for Large, but at Starbucks, there are two even larger drinks: the Venti and the Trenti. The Starbucks Grande is 16 US fluid ounces (470 milliliters / 2.5 cups).