Mcdonald'S Coffee Cup Sizes. Explore mccafé® iced coffee menu and choose from our iced coffee drinks like iced latte, mocha, macchiato & more! However, it's important to keep in mind that the size of the coffee cup can affect how you perceive the taste of your.
Enjoy a classic iced latte, frozen coffee drink, hot. 12oz (xs), 16oz (s), 21oz (m), and foam 30oz (l).