Nourish

Food database › Seafood › Crab

How many calories in a crab?

82 calper 3 oz (85 g)

A serving of crab — 3 oz (85 g) — has about 82 calories, with 16.5 g protein, 0 g carbs and 1.3 g fat.

Where those calories come from:

Protein 85%Carbs 0%Fat 15%
Crab nutrition (cooked)
NutrientPer serving
(3 oz (85 g))
Per 100 g
Calories82 cal97 cal
Protein16.5 g19.4 g
Carbs0 g0 g
  of which sugars0 g0 g
Fat1.3 g1.5 g
Fiber0 g0 g

Log it in one tap

Counting calories in crab? Snap a photo and Nourish's AI logs the calories and macros for you.

Crab calories — FAQ

How many calories are in a crab?

3 oz (85 g) of crab contains about 82 calories. That's roughly 97 calories per 100 grams.

How much protein is in a crab?

One serving (3 oz (85 g)) has about 16.5 g of protein, 0 g of carbs and 1.3 g of fat.

Is crab good for weight loss?

Crab can fit a weight-loss plan when it's logged and kept within your calorie budget. At 82 calories per serving, the key is tracking your total daily intake — that's what Nourish makes effortless.

More foods

Work out your daily calories →