Yes, a cappuccino contains caffeine. A standard cappuccino made with a single shot of espresso has roughly 63 to 75 mg of caffeine, while a medium (16-ounce) cappuccino made with two shots contains about 150 to 173 mg. The exact amount depends on the size you order, the number of espresso shots, and the type of coffee bean used.
How Much Caffeine by Size
A cappuccino is espresso topped with steamed and frothed milk. The milk adds no caffeine, so the total caffeine comes entirely from the espresso. The more shots in your drink, the more caffeine you get.
At Starbucks, a short (8 oz) or tall (12 oz) cappuccino contains about 75 mg of caffeine from a single espresso shot. A grande (16 oz) or venti (20 oz) bumps that to roughly 150 mg, because those sizes use two shots. Most U.S. coffee shops follow a similar pattern: one shot for a small, two for a medium, and sometimes three for a large.
A single espresso shot averages about 63 mg of caffeine per one-ounce serving, though measurements vary. The USDA puts a two-ounce shot at around 127 mg, with an average closer to 108 mg. That variation is real and normal. Factors like how finely the beans are ground, how long the water contacts the grounds, and how hot the water is all shift the number.
Cappuccino vs. Latte vs. Macchiato
If you’re choosing between a cappuccino and a latte, the caffeine content is identical when both are the same size. A 16-ounce cappuccino and a 16-ounce latte each contain about 173 mg of caffeine. The difference between these drinks is the ratio of milk to foam, not the espresso. A cappuccino has more foam and less steamed milk, giving it a lighter, airier texture, but the caffeine hit is the same.
A macchiato is a different story. A traditional espresso macchiato is just a shot of espresso with a small dollop of foam, so a 2-ounce macchiato contains around 85 mg of caffeine. It’s a smaller, more concentrated drink.
How Coffee Beans Change the Number
The species of coffee bean matters more than most people realize. Arabica beans, which most specialty shops use, contain about 1.9 mg of caffeine per bean. Robusta beans pack roughly 2.9 mg per bean, about 50% more. Some espresso blends, particularly those designed for a stronger flavor, mix in robusta beans. If your local café uses a robusta-heavy blend, your cappuccino could carry noticeably more caffeine than one made with pure arabica.
What About Decaf Cappuccinos?
A decaf cappuccino is not completely caffeine-free. Research testing decaf espresso across multiple outlets found that a single decaf shot contains anywhere from 0 to about 16 mg of caffeine. A decaf cappuccino made with two shots could have up to roughly 30 mg. That’s a fraction of the regular version, but it’s not zero, which is worth knowing if you’re highly sensitive to caffeine or avoiding it for medical reasons.
How Cappuccino Caffeine Affects Your Body
Caffeine from a cappuccino absorbs quickly through your digestive tract. Most people reach peak caffeine levels in their blood within 30 to 60 minutes of drinking it, though the range can stretch from 15 minutes to two hours depending on your metabolism and whether you’ve eaten recently. A meal in your stomach slows absorption; drinking on an empty stomach speeds it up.
Caffeine’s half-life (the time it takes your body to eliminate half of what you consumed) ranges from 2 to 12 hours, with most healthy adults falling somewhere in the middle around 5 to 6 hours. This is why an afternoon cappuccino can interfere with sleep for some people but not others.
The FDA considers up to 400 mg of caffeine per day a safe amount for most healthy adults. That’s roughly two to three medium cappuccinos, depending on the size and number of shots. Pregnant individuals, people with heart conditions, and those on certain medications typically have lower thresholds.
Quick Caffeine Reference by Drink Size
- Small cappuccino (8-12 oz, 1 shot): 63 to 75 mg
- Medium cappuccino (16 oz, 2 shots): 150 to 173 mg
- Large cappuccino (20 oz, 2-3 shots): 150 to 225 mg
- Decaf cappuccino (2 shots): 0 to 30 mg