Onion Powder runs 341 calories per 100g, but realistic per-meal portions add fewer than 5 calories. Useful as flavor without budget cost. The 100g number is mostly a comparison reference.
Calories scale with portion. Here's how a typical onion powder serving translates in your tracker:
Carb-forward — most of its 341 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.
How onion powder stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at onion 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 StoreOnion Powder has approximately 341 calories per 100g. A typical serving — 3 oz (85g) — comes in at 290 calories.
10g of protein per 100g. That puts onion powder at roughly 2.9g of protein per 100 calories — a useful lens when comparing to other herbs & spices 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. Onion Powder sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.