cCalorieScan.

Calorie comparison

Peanut Butter vs Tuna

Per 100 grams, tuna is the lighter choice by 472 calories, while tuna delivers more protein. The right pick depends on your goal — fewer calories for a cut, more protein to stay full.

Per 100 grams

Per 100 gPeanut ButterTuna
Calories588116
Protein25 g26 g
Carbs20 g0 g
Fat50 g1 g

Orange highlights the "better for a calorie deficit" value (fewer calories, fat and carbs; more protein). Your goals decide what "better" means.

Per typical serving

🥜 Peanut Butter

2 tbsp (32 g)

188 cal

8 g protein · 6.4 g carbs · 16 g fat

🐟 Tuna

3 oz canned in water (85 g)

99 cal

22.1 g protein · 0 g carbs · 0.9 g fat

Frequently asked

  • Which has more calories, peanut butter or tuna?

    Per 100 g, peanut butter has 588 calories and tuna has 116. Tuna is lower in calories.

  • Which has more protein, peanut butter or tuna?

    Peanut Butter has 25 g of protein per 100 g; tuna has 26 g. Tuna wins on protein.

  • Is peanut butter or tuna better for weight loss?

    For a calorie deficit, the lower-calorie, higher-protein option usually helps you stay full on fewer calories. Here that leans toward tuna — but portion size matters more than which food you pick.

Don't guess. Snap it.

Whether it's peanut butter or tuna, CalorieScan AI logs it from a photo in seconds.

Download for iPhone