Tomato vs Watermelon

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

Tomato

per 1 medium (123g)

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

Watermelon

per 1 cup diced (152g)

46 cal
0.9g Protein
11g Carbs
0.2g Fat
Full Watermelon macros →

Macro Comparison Table

Macro Tomato Watermelon Difference
Calories 22 cal 46 cal -52% Tomato
Protein 1.1g 0.9g +22% Tomato
Carbs 4.8g 11g -56% Tomato
Fat 0.2g 0.2g 0% Tomato

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

Quick Take

Tomato delivers 22 calories per serving with 1.1g protein, 4.8g carbs, and 0.2g fat. Watermelon delivers 46 calories with 0.9g protein, 11g carbs, and 0.2g fat. The most meaningful difference: they're within 24 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, Tomato gives you 24 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), Tomato delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Watermelon brings 46 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

Tomato fits cleanly into keto with only 4.8g carbs. Watermelon at 11g carbs uses significantly more of your daily 20g carb budget.

Frequently Asked

Which has more protein, Tomato or Watermelon?

Tomato has more protein: 1.1g vs 0.9g per serving. That's a difference of 0.20000000000000007g.

Which has fewer calories, Tomato or Watermelon?

Tomato has 22 calories per serving vs 46 calories in Watermelon — a difference of 24 calories.

Is Tomato or Watermelon better for keto?

Tomato is the better keto choice at 4.8g carbs per serving vs 11g carbs in Watermelon.

Is Tomato or Watermelon better for weight loss?

For weight loss, Tomato gives you more calorie flexibility (24 cal less per serving). For preserving muscle during a deficit, Tomato delivers more protein per calorie. Most people on cuts benefit from Tomato.

Which Is Better for Your Goal?

🔥 Weight Loss

Tomato

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

Tomato

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 Tomato and Watermelon stack up:

Full Tomato guideFull Watermelon guideAll comparisons