A 100g of rice krispies comes in at 393 calories, with 6g of protein and 87g of carbs. Calorie tracking trips up here when people log cooked weights using dry-weight numbers (or vice versa).
Calories scale with portion. Here's how a typical rice krispies serving translates in your tracker:
Carb-forward — most of its 393 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.
How rice krispies stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at rice krispies and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreRice Krispies has approximately 393 calories per 100g. A typical serving — 3 oz (85g) — comes in at 334 calories.
6g of protein per 100g. That puts rice krispies at roughly 1.5g of protein per 100 calories — a useful lens when comparing to other grains 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. Rice Krispies sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.