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How Many Calories in Blueberries

Blueberries are one of the simplest fruits to enjoy when you want something sweet that still fits into a balanced routine. They are small, refreshing, and naturally portion controlled, which makes them easy to track inside WeightBuddy. Many users reach for blueberries when they want a snack that feels light but still satisfying.
Let’s start by answering the main question clearly.
How Many Calories in Blueberries
A one cup serving of fresh blueberries has about 80 to 85 calories.
Here are the most common serving sizes:
- Half cup: about 40 calories
- One cup: about 80 to 85 calories
- 100 grams: about 57 calories
- Small handful: about 25 to 30 calories
Blueberries are naturally low in calories and high in water, which makes them easy to include in weight loss routines.
For comparison, you can see how blueberries compare to other fruits like watermelon and if you want something more filling, check how many calories are in a chicken breast.

Blueberry Nutrition Breakdown
Blueberries provide a mix of fiber and natural sweetness that supports energy without feeling heavy. A one cup serving includes:
- Carbs: around 21 grams
- Fiber: around 3.5 grams
- Natural sugar: around 15 grams
- Vitamin C supporting immune health
- Vitamin K for bone support
- Manganese for energy production
- Antioxidants from their deep blue color
This makes blueberries a steady, refreshing fruit that pairs well with meals or snacks.
Are Blueberries Good for Weight Loss
Yes, blueberries fit well into a weight loss routine because they are low in calories and offer fiber that helps keep hunger steady. They also help satisfy sweet cravings in a lighter, calmer way compared to processed snacks.
Why blueberries work well for WeightBuddy users:
- Low calorie density
- High water content
- Easy to track
- Satisfying sweetness
- Pairs well with protein for longer fullness
Fresh vs Frozen Blueberries: Calorie Difference
The calorie count stays almost the same. Frozen blueberries usually contain around 70 to 80 calories per cup, depending on the brand, and often have no added sugar.
Both fresh and frozen options fit well into a supportive routine.
Frequently Asked Questions
How many calories are in 50 blueberries
About 40 calories, depending on size.
Are blueberries high in sugar
Blueberries contain natural sugar, but their fiber helps steady digestion.
Can I eat blueberries every day while trying to lose weight
Yes. Blueberries fit easily into balanced routines when portioned mindfully.
Are frozen blueberries healthier than fresh
Both offer similar nutrients. Choose the option that fits your routine and budget.
Do blueberries help reduce cravings
Yes. Their natural sweetness helps soothe cravings without adding many calories.