At Starbucks, the Venti size means 20 ounces for hot drinks and 24 ounces for cold drinks. The Venti size is the largest size available at Starbucks, and it is larger than the Grande size, which is equivalent to a medium-sized drink and is 16 ounces. The other sizes available at Starbucks include:

• Short: 8 ounces, available for hot drinks only.
• Tall: 12 ounces, available for both hot and iced drinks.
• Trenta: 31 ounces, available for cold drinks only.

Its important to note that the sizes may vary depending on the specific drink and customization options.