Calorie data · Vegetables← All foods

How many calories in
nori?

Per 100g, nori brings 35 calories with 5.1g of carbs (most of which is fiber). Worth portioning if you treat it like a free veg; it has more density than spinach or cucumber.

35
kcal · 100g
5.8g
Protein
5.1g
Carbs
0.3g
Fat
Servings

Common serving sizes.

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

Serving
Calories
Protein
3 oz (85g)
30 kcal
5.0g
4 oz (113g)
40 kcal
6.6g
1 cup (~150g)
53 kcal
8.8g
In your day

What 35 calories means.

Very low calorie — at 35 kcal per 100g, nori adds volume to a meal without meaningfully denting a calorie deficit.

Share of a 2,000-kcal day
2%
per 100g · 16.6g protein per 100 kcal
Time to burn it off
🚶 Walking7 min
🏃 Running3 min
🚴 Cycling4 min
Estimated for a 70 kg / 154 lb adult
Comparison

Nori vs. similar foods.

How nori stacks up on calories and protein against foods people commonly compare it to:

Food
Calories
Protein / 100 kcal
Nori
35 kcal / 100g
16.6g
34 kcal / 100g (raw)
8.2g
34 kcal / 100g
6.5g
37 kcal / 100g
3g
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at nori and Spotwell's AI estimates the portion and macros in a few seconds. Check it, adjust anything that looks off, and log it.

Download on theApp Store
FAQ

Quick answers.

How many calories in nori?

Nori has approximately 35 calories per 100g. A typical serving — 3 oz (85g) — comes in at 30 calories.

How much protein is in nori?

5.8g of protein per 100g. That puts nori at roughly 16.6g of protein per 100 calories — a useful lens when comparing to other vegetables sources.

How do I log nori 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 a few seconds. Adjust the value if it looks off.

Is nori good for weight loss?

It depends on your overall calorie target. Nori is naturally low-calorie at 35 kcal per 100g, so it's easy to fit into a deficit.