Calorie data · Beverages← All foods

How many calories in
diet coke?

Diet Coke is 0 calories per 100g. Zero calories — fits any goal.

0
kcal · 100g
0g
Protein
0g
Carbs
0g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical diet coke serving translates in your tracker:

Serving
Calories
Protein
3 oz (85g)
0 kcal
NaNg
4 oz (113g)
0 kcal
NaNg
1 cup (~150g)
0 kcal
NaNg
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at diet coke and SpotWell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.

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FAQ

Quick answers.

How many calories in diet coke?

Diet Coke has approximately 0 calories per 100g. A typical serving — 3 oz (85g) — comes in at 0 calories.

How much protein is in diet coke?

0g of protein per 100g. That puts diet coke at roughly NaNg of protein per 100 calories — a useful lens when comparing to other beverages sources.

How do I log diet coke accurately?

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.

Is diet coke good for weight loss?

It depends on your overall calorie target. Diet Coke is naturally low-calorie at 0 kcal per 100g, so it's easy to fit into a deficit.