Onion Rings is around 411 calories per 100g, with 5g of protein, 39g of carbs, and 26g of fat. Calorie-dense; portion size matters more than you think. Restaurant versions can vary by 30-50% depending on prep — these are mid-range estimates.
Calories scale with portion. Here's how a typical onion rings serving translates in your tracker:
Calorie-dense and fatty — 26 g of fat per 100g means small portions add up fast, so weigh it rather than eyeballing.
How onion rings stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at onion rings 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 Rings has approximately 411 calories per 100g. A typical serving — 3 oz (85g) — comes in at 349 calories.
5g of protein per 100g. That puts onion rings at roughly 1.2g of protein per 100 calories — a useful lens when comparing to other prepared foods 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 Rings is calorie-dense at 411 kcal per 100g, so portion control matters more than with low-cal foods.