All Foods

Blackberries vs Watermelon

Calories, macronutrients and nutrition facts compared side by side (per 100g).

Nutrition Comparison

Per 100gBlackberriesWatermelon
Calories43kcal30kcal
Protein1.4g0.6g
Carbs9.6g7.6g
Fat0.5g0.2g
Fiber5.3g0.4g
Sugar4.9g6.2g
Sodium1mg1mg

Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).

Key Takeaways

  • Watermelon has 13 fewer calories per 100g than Blackberries (43% less).
  • Blackberries delivers more protein (1.4g vs 0.6g per 100g).
  • Blackberries has more fiber (5.3g vs 0.4g).
  • Watermelon contains less fat (0.2g vs 0.5g).
  • Blackberries has less sugar (4.9g vs 6.2g).

Blackberries

Blackberries pack more than 5g of fiber per 100g with very little sugar, plus vitamin C, vitamin K and manganese. Their deep color reflects a high anthocyanin content with strong antioxidant activity.

View Blackberries nutrition →

Watermelon

Watermelon is 92% water, making it ideal for hydration on hot days. It is a leading dietary source of lycopene — an antioxidant linked to heart health and lower oxidative stress — and provides citrulline, an amino acid that supports blood-flow regulation.

View Watermelon nutrition →

Track Blackberries & Watermelon in Kairo

Just photograph it. Kairo's AI reads the portion and the nutrition — three seconds later the calories and macros are in your log, no typing.

Get Kairo on the App Store

More Comparisons