Calories in Whey protein powder
Per 1 scoop, 30 g
Whey protein powder has 113 calories per 1 scoop, 30 g. That is about 6% of a 2,000-calorie day. The same serving provides 24.0 g of protein, 2.0 g of carbohydrate, 1.5 g of fat and 0.0 g of fibre. Per 100 g, that works out at 377 calories and 80.0 g of protein. Against the thresholds EU food labelling uses, it qualifies as high in protein and strong protein per calorie. A convenience, not a requirement — useful when hitting protein from food alone is the problem.
Calories and macros
| Per 1 scoop, 30 g | Serving | Per 100 g | % of daily intake |
|---|---|---|---|
| Calories | 113 kcal | 377 kcal | 6% |
| Protein | 24.0 g | 80.0 g | 48% |
| Carbohydrate | 2.0 g | 6.7 g | 1% |
| Fat | 1.5 g | 5.0 g | 2% |
| Fibre | 0.0 g | 0.0 g | 0% |
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 whey protein powder
How many calories are in whey protein powder?
Whey protein powder has 113 calories per 1 scoop, 30 g, which is about 6% of a 2,000-calorie day.
How many calories are in 100 g of whey protein powder?
100 g of whey protein powder contains 377 calories.
How much protein is in whey protein powder?
One serving of 1 scoop, 30 g provides 24.0 g of protein — 80.0 g per 100 g, or 48% of the 50 g daily reference intake.
How many carbs are in whey protein powder?
One serving of 1 scoop, 30 g contains 2.0 g of carbohydrate, of which 0.0 g is fibre.
What is whey protein powder a good source of?
Measured against EU food labelling thresholds, whey protein powder qualifies as high in protein and strong protein per calorie. At least 20% of its calories come from protein. About 21 g of protein for every 100 calories.