(updated August 25th, 2026)
Yes, and it’s a smaller decision than it looks. A cappuccino made the traditional way is about 65 calories, and nearly all of that is the milk. On most diets that’s a rounding error rather than something to agonise over.
The thing worth watching isn’t the cappuccino. It’s the size of the cup and whatever gets added to it.
So How Many Calories Is That?
About 65 for a single-shot cappuccino with whole milk, dropping to roughly 37 with skim, and rising to 200 for a Starbucks Venti. The full breakdown by milk type and chain size is in how many calories are in a cappuccino.
What matters more for a diet is which changes are worth making. Most people reach for the milk first, and that’s the one that saves least.
| The change | What it saves |
|---|---|
| Ordering a Short instead of a Venti | 130 calories |
| Leaving out one teaspoon of sugar | 16 calories |
| Swapping whole milk for skim | under 30 calories |
| Asking for it dry, with more foam and less milk | a little, and it costs nothing |
| Using honey instead of sugar | nothing, it adds about 5 |
The cup size is worth more than every other row put together. Going one size down saves you over four times what changing your milk does, and it doesn’t cost you the texture that makes a cappuccino a cappuccino.
Will A Cappuccino Make You Fat?
Not on its own. One a day at 65 calories is not a drink that drives weight gain in either direction, and there’s nothing in a cappuccino that behaves differently from the same calories elsewhere.
Where it turns into a real number is when the drink stops being a cappuccino. A large chain cappuccino is built on two shots and a lot more milk. Flavored syrup adds calories that have nothing to do with coffee. And instant sachets and machine versions often list sugar as the first ingredient, well ahead of the coffee, which is worked through in how much sugar is in a cappuccino.
Does Cappuccino Burn Fat Or Speed Up Your Metabolism?
A little, and not enough to diet on. This one deserves a straight answer because it gets sold both ways, as a fat-burning trick and as complete nonsense, and it’s neither.
The effect is real and it has been measured. Dulloo and colleagues, writing in the American Journal of Clinical Nutrition in 1989, found that a single 100mg dose of caffeine raised resting metabolic rate by 3 to 4% over 150 minutes. That is roughly one and a half cappuccinos’ worth of caffeine.
Two things stop that becoming a weight-loss plan. The headline figure from that study, an extra 150 calories burned across a day, came from taking 100mg every two hours for twelve hours. That’s over 600mg of caffeine, well past the 400mg daily ceiling the FDA gives for adults. And if you took that caffeine as cappuccinos, the milk in them would cost you more calories than the caffeine burned off.
The second thing is that drinking more doesn’t help. A 2022 systematic review pooling 94 studies found caffeine does increase fat metabolism, but the effect was small, and the dose made no difference to it. The authors also noted the signal shows up more clearly in blood markers than in measurements of fat being burned.
One detail from the 1989 study is worth knowing if this is the reason you’re asking. The extra 150 calories was measured in lean volunteers. In the previously obese group it was 79, so the effect was smallest in exactly the people most likely to be counting on it.
Does A Cappuccino Break A Fast?
Yes, if you’re counting calories during the fasting window, and the reason is the milk rather than the coffee. Espresso is close to nothing: USDA figures put brewed espresso at 9 calories per 100g, so the shot itself is worth about 2. Add 100ml of milk and you’re at 65.
So if you want coffee inside the window, an espresso or an Americano does the job and a cappuccino doesn’t. Outside the window it’s the same 65 calories as any other time and there’s nothing special to account for.
Is Honey Or Sweetener Better Than Sugar?
Honey is not the lower-calorie option, whatever it sounds like. USDA FoodData Central puts honey at 304 calories per 100g, which works out at about 21 calories a teaspoon against roughly 16 for granulated sugar. Spoon for spoon it costs you more, not less.
Sweeteners like stevia genuinely do save the calories, because they carry almost none. That part is straightforward. The thing that gets missed is that a cappuccino already carries 4 to 5 grams of sugar from the milk itself, and a lot of people find it sweet enough without anything added once they’ve had it that way for a week.
So Should You Drink It?
Have it, order a small one, and skip the syrup. That’s the whole decision.
Keep the milk you like. Trading whole for skim saves under 30 calories and costs you the foam, which is the point of the drink. If you want a genuinely light cup, unsweetened almond milk gets you to around 17 calories, and that’s a real reduction rather than a rounding error, though it won’t foam the same way.
A cappuccino is one of the few coffee-shop drinks that was never the problem. It’s a single shot and a small amount of milk, and it only becomes a diet question when the cup gets bigger or something sweet goes in it.
