Sparkling Water comes in around 0 calories per 100g. A 12-oz serving is 0 calories; a 16-oz pour is 0.
Calories scale with portion. Here's how a typical sparkling water serving translates in your tracker:
Very low calorie — at 0 kcal per 100g, sparkling water adds volume to a meal without meaningfully denting a calorie deficit.
Point your iPhone camera at sparkling water and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreSparkling Water has approximately 0 calories per 100g. A typical serving — 3 oz (85g) — comes in at 0 calories.
0g of protein per 100g. That puts sparkling water at roughly NaNg of protein per 100 calories — a useful lens when comparing to other beverages 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. Sparkling Water is naturally low-calorie at 0 kcal per 100g, so it's easy to fit into a deficit.