Lobster vs Crab: Calories and Nutrition Compared (2026)

Lobster contains 19 g of protein, while crab has 17.9 g. Lobster has 89 calories, compared to crab's 83 calories.

Lobster and crab are popular seafood choices, each offering unique nutritional benefits. This comparison will highlight their calorie content, protein levels, and other key nutrients.

What Is the Difference Between Lobster and Crab?

Lobster is a marine crustacean known for its tender meat and rich flavor. It is often enjoyed in various culinary dishes around the world. Crab is a decapod crustacean that is widely consumed for its sweet and delicate meat. It is available in many varieties, each with its own distinct taste.

Lobster vs Crab: Nutrition Side by Side

Below is a side-by-side comparison of lobster and crab, showcasing their nutritional profiles.

Nutrient (per 100 g)	Lobster (cooked)	Blue crab (cooked)
Calories	89 kcal	83 kcal
Protein	19 g	17.9 g
Carbs	0 g	0 g
Sugar	0 g	0 g
Fat	0.9 g	0.7 g
Fiber	0 g	0 g
Sodium	486 mg	395 mg

Which Is Better, Lobster or Crab?

For weight loss: Lobster has 89 calories per 100 g, while crab has 83 calories. Crab is slightly lower in calories.

For muscle and protein: Lobster contains 19 g of protein per 100 g, while crab has 17.9 g. Therefore, lobster is higher in protein.

For low-carb or low-sugar: Both lobster and crab contain 0 g of carbs and 0 g of sugar, making them suitable for low-carb diets.

How to Track Lobster and Crab Accurately

It's easy to misjudge portion sizes and macronutrient content when enjoying seafood. Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macros from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

How We Compiled These Numbers

The numbers provided are rounded reference values for educational use and should not be considered medical advice. Always consult a healthcare professional for dietary recommendations. Values are per 100 g from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which has more protein?

Lobster has 19 g of protein per 100 g, while crab has 17.9 g. Therefore, lobster has more protein.

Which has fewer calories?

Crab has 83 calories per 100 g, while lobster has 89 calories. Thus, crab has fewer calories.

What is the fat content in lobster?

Lobster contains 0.9 g of fat per 100 g.

What is the sodium content in crab?

Crab contains 395 mg of sodium per 100 g.

How much sugar is in lobster?

Lobster contains 0 g of sugar per 100 g.

What is the fiber content in crab?

Crab contains 0 g of fiber per 100 g.

Key Takeaways

• Lobster has 89 calories per 100 g.
• Crab has 83 calories per 100 g.
• Lobster contains 19 g of protein.
• Crab contains 17.9 g of protein.
• Both contain 0 g of carbs and 0 g of sugar.
• Lobster has 0.9 g of fat, while crab has 0.7 g.