how many oz is venti?
Unsatisfied with existing sizes Short, (8 ounces), Tall (12 ounces), Grande (16 ounces), Venti (20 ounces), and Venti Iced (24 ounces), Starbucks is launching the 31-ounce Trenta. The Trenta will cost fifty cents more than the Venti Iced, and will similarly only be available for iced drinks.