Tomato Juice comes in around 17 calories per 100g. A 12-oz serving is 60 calories; a 16-oz pour is 80.
Calories scale with portion. Here's how a typical tomato juice serving translates in your tracker:
Very low calorie — at 17 kcal per 100g, tomato juice adds volume to a meal without meaningfully denting a calorie deficit.
How tomato juice stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at tomato juice and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreTomato Juice has approximately 17 calories per 100g. A typical serving — 3 oz (85g) — comes in at 14 calories.
0.8g of protein per 100g. That puts tomato juice at roughly 4.7g 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. Tomato Juice is naturally low-calorie at 17 kcal per 100g, so it's easy to fit into a deficit.