Calories in Whey protein powder — per 100 g and common serving
A practical portion guide for Whey protein powder, with calories, protein, carbohydrates and fat shown per 100 g and in familiar serving sizes.
Whey protein powder provides about 400 calories per 100 g, with roughly 80 g protein, 8 g carbohydrate and 6 g fat.
Whey protein powder nutrition per 100 g
| Nutrient | Amount |
|---|---|
| Calories | 400 kcal |
| Protein | 80 g |
| Carbohydrates | 8 g |
| Fat | 6 g |
Calories by practical portion
| Serving | Approx. weight | Approx. calories |
|---|---|---|
| Reference amount | 100 g | 400 kcal |
| 1 scoop | about 30 g | 120 kcal |
| 2 scoops | about 60 g | 240 kcal |
Weights refer to the edible portion. For mixed or packaged foods, use the product label or recipe total when available.
Why the calorie count may be different
Cooking method matters. Grilling, boiling or dry-pan cooking usually adds fewer calories than deep-frying or heavy sauces. Skin, breading, cheese, coconut milk and cooking oil can raise the final total quickly.
Protein-rich foods can be useful in meals because they contribute to fullness and help support lean tissue. The best target still depends on your full-day intake, health needs and food preferences.
How to track Whey protein powder more accurately
- Use the nutrition label for a packaged product.
- For homemade food, weigh the finished serving or divide the full recipe into equal portions.
- Count visible extras such as oil, butter, ghee, cheese, mayonnaise, nuts and sugary sauces.
- Use the same bowl, spoon or plate when you want consistent estimates without weighing every day.
Can Whey protein powder fit a weight-loss diet?
Yes. A food does not need to be “diet food” to fit a calorie deficit. What matters is the portion, the rest of the meal and the total pattern across the day. Higher-calorie foods often work better in a smaller measured portion beside vegetables and a clear protein source.
Is the number exact?
No food database can make every recipe identical. Use this as a sensible estimate and prefer the package label or your own recipe calculation when available.
Should I weigh it raw or cooked?
Match the state shown on the page. This page is an everyday ready-to-eat estimate unless the food name says otherwise. Cooking changes water weight, so raw and cooked values should not be mixed.
What if my serving is larger?
Scale proportionally. For example, a serving that weighs 150 g contains about 1.5 times the per-100 g calories.
Data note
EKCal food pages combine standard food-composition references with practical serving estimates. Values are rounded and may differ by variety, brand and preparation. See Sources & Methodology.