Romaine Lettuce vs Tomato

Side-by-side macro comparison. Romaine Lettuce vs Tomato per their standard serving sizes.

Romaine Lettuce

per 1 cup shredded (47g)

8 cal
0.6g Protein
1.5g Carbs
0.1g Fat
Full Romaine Lettuce macros →
vs

Tomato

per 1 medium (123g)

22 cal
1.1g Protein
4.8g Carbs
0.2g Fat
Full Tomato macros →

Macro Comparison Table

Macro Romaine Lettuce Tomato Difference
Calories 8 cal 22 cal -64% Romaine
Protein 0.6g 1.1g -45% Romaine
Carbs 1.5g 4.8g -69% Romaine
Fat 0.1g 0.2g -50% Romaine

Differences shown relative to Romaine Lettuce. Positive = Romaine Lettuce has more.

Quick Take

Romaine Lettuce delivers 8 calories per serving with 0.6g protein, 1.5g carbs, and 0.1g fat. Tomato delivers 22 calories with 1.1g protein, 4.8g carbs, and 0.2g fat. The most meaningful difference: they're within 14 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Romaine Lettuce gives you 14 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), Romaine Lettuce delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Tomato brings 22 calories — useful when you're chasing a surplus and struggling to eat enough. Tomato delivers 1.1g 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 Romaine Lettuce and Tomato are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Romaine Lettuce or Tomato?

Tomato has more protein: 1.1g vs 0.6g per serving. That's a difference of 0.5000000000000001g.

Which has fewer calories, Romaine Lettuce or Tomato?

Romaine Lettuce has 8 calories per serving vs 22 calories in Tomato — a difference of 14 calories.

Is Romaine Lettuce or Tomato better for keto?

Romaine Lettuce is the better keto choice at 1.5g carbs per serving vs 4.8g carbs in Tomato.

Is Romaine Lettuce or Tomato better for weight loss?

For weight loss, Romaine Lettuce gives you more calorie flexibility (14 cal less per serving). For preserving muscle during a deficit, Romaine Lettuce delivers more protein per calorie. Most people on cuts benefit from Romaine Lettuce.

Which Is Better for Your Goal?

🔥 Weight Loss

Romaine Lettuce

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

💪 Muscle Gain

Tomato

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Romaine Lettuce

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 Romaine Lettuce and Tomato stack up:

Full Romaine Lettuce guideFull Tomato guideAll comparisons