Question: how many oz is venti?
Answer: 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.