Calories in Croissant
Per 1 medium, 57 g
Croissant has 231 calories per 1 medium, 57 g. That is about 12% of a 2,000-calorie day. The same serving provides 4.7 g of protein, 26.0 g of carbohydrate, 12.0 g of fat and 1.5 g of fibre. Per 100 g, that works out at 405 calories and 8.2 g of protein. Roughly half the calories come from butter, which is rather the point of it.
Calories and macros
| Per 1 medium, 57 g | Serving | Per 100 g | % of daily intake |
|---|---|---|---|
| Calories | 231 kcal | 405 kcal | 12% |
| Protein | 4.7 g | 8.2 g | 9% |
| Carbohydrate | 26.0 g | 45.6 g | 10% |
| Fat | 12.0 g | 21.1 g | 17% |
| Fibre | 1.5 g | 2.6 g | 5% |
Daily intake percentages use the EU reference intakes an average adult label is based on: 2,000 kcal, 50 g protein, 260 g carbohydrate, 70 g fat, 30 g fibre.
What this is good for
These are the nutrition claims this food would qualify for under EU labelling rules — thresholds, not opinions.
Worth knowing
Figures are for a typical example and will vary by brand, ripeness and how it was cooked. For a target of your own, run the calorie calculator or take the short quiz. To log this without doing the arithmetic, Joules is free.
Figures last reviewed 29 August 2026.
Common questions about a croissant
How many calories are in a croissant?
Croissant has 231 calories per 1 medium, 57 g, which is about 12% of a 2,000-calorie day.
How many calories are in 100 g of croissant?
100 g of croissant contains 405 calories.
How much protein is in a croissant?
One serving of 1 medium, 57 g provides 4.7 g of protein — 8.2 g per 100 g, or 9% of the 50 g daily reference intake.
How many carbs are in a croissant?
One serving of 1 medium, 57 g contains 26.0 g of carbohydrate, of which 1.5 g is fibre.
What is a croissant a good source of?
Croissant does not meet an EU labelling threshold in either direction — neither especially high nor especially low in protein, fibre, fat or energy.