Whey Protein Powder comes in around 370 calories per 100g, with 80g of protein and 4g of fat. The protein-to-calorie ratio is excellent — most of the calories are protein, not fat. Cooks fast and works in any preparation.
Calories scale with portion. Here's how a typical whey protein powder serving translates in your tracker:
Protein-dense — 21.6 g of protein per 100 kcal makes whey protein powder an efficient choice for hitting a protein target while managing calories.
How whey protein powder stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at whey protein powder and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreWhey Protein Powder has approximately 370 calories per 100g. A typical serving — 3 oz (85g) — comes in at 315 calories.
80g of protein per 100g. That puts whey protein powder at roughly 21.6g of protein per 100 calories — a useful lens when comparing to other protein sources.
The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.
It depends on your overall calorie target. Whey Protein Powder sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.