Steak vs Tuna

Side-by-side macro comparison. Steak vs Tuna per their standard serving sizes.

Steak

per 6 oz / 170g cooked

175 cal
27g Protein
0g Carbs
7g Fat
Full Steak macros →
vs

Tuna

per 100g canned in water, drained

116 cal
26g Protein
0g Carbs
0.8g Fat
Full Tuna macros →

Macro Comparison Table

Macro Steak Tuna Difference
Calories 175 cal 116 cal +51% Steak
Protein 27g 26g +4% Steak
Carbs 0g 0g 0% Steak
Fat 7g 0.8g +775% Steak

Differences shown relative to Steak. Positive = Steak has more.

Quick Take

Steak delivers 175 calories per serving with 27g protein, 0g carbs, and 7g fat. Tuna delivers 116 calories with 26g protein, 0g carbs, and 0.8g fat. The most meaningful difference: Tuna saves 59 calories per serving — meaningful over a week of meals. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Tuna gives you 59 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Tuna delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Steak brings 175 calories — useful when you're chasing a surplus and struggling to eat enough. Steak delivers 27g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Both Steak and Tuna are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Steak or Tuna?

Steak has more protein: 27g vs 26g per serving. That's a difference of 1g.

Which has fewer calories, Steak or Tuna?

Tuna has 116 calories per serving vs 175 calories in Steak — a difference of 59 calories.

Is Steak or Tuna better for keto?

Tuna is the better keto choice at 0g carbs per serving vs 0g carbs in Steak.

Is Steak or Tuna better for weight loss?

For weight loss, Tuna gives you more calorie flexibility (59 cal less per serving). For preserving muscle during a deficit, Tuna delivers more protein per calorie. Most people on cuts benefit from Tuna.

Which Is Better for Your Goal?

🔥 Weight Loss

Tuna

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

Steak

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

tie

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

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Related Comparisons

Other ways Steak and Tuna stack up:

Full Steak guideFull Tuna guideAll comparisons