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Are blueberries low in calories?
Yes, blueberries are low in calories, with only about 84 calories in a full cup of fresh berries.
That makes them one of the most diet-friendly fruits you can snack on without worrying about your waistline.
If you’ve been asking yourself whether blueberries are low in calories, you’re in the right place.
In this post, we’ll break down the calorie count of blueberries, why they’re considered low-calorie fruit, and how you can enjoy them without sabotaging your health goals.
Let’s dig in.
Why Blueberries Are Low in Calories
Blueberries are low in calories for a few simple reasons, and understanding them helps you appreciate why this tiny fruit deserves a spot in your diet.
1. They’re Mostly Water
The main reason blueberries are low in calories is that they’re made up of about 85% water.
Water adds volume and weight without adding calories, which means you can eat a satisfying handful of blueberries for very little energy.
That high water content also helps keep you hydrated, which is a nice bonus when you’re snacking.
2. They’re Packed With Fiber, Not Fat
Blueberries contain a good amount of dietary fiber, roughly 4 grams per cup.
Fiber fills you up and slows digestion, so a small serving of blueberries can actually keep hunger at bay.
Since fiber contributes very few calories and blueberries have almost no fat, their calorie count stays naturally low.
3. Natural Sugars in Moderation
Yes, blueberries contain sugar, but it’s natural sugar in modest amounts.
A cup of blueberries has around 15 grams of sugar, which is far less than what you’d find in most processed snacks.
Because the sugar comes packaged with fiber and water, your body absorbs it slowly, so you don’t get the same spike you’d get from candy or soda.
4. No Added Ingredients
Fresh blueberries are low in calories simply because nothing is added to them.
There’s no oil, no syrup, and no refined sugar like you’d find in dried or canned versions.
That means the calorie count you see is exactly what nature intended, nothing more.
Blueberries Calorie Count: Fresh vs. Other Forms
Not all blueberries are low in calories in the same way, so it helps to know how different forms stack up.
1. Fresh Blueberries
One cup of fresh blueberries contains about 84 calories.
That’s incredibly low for a fruit that’s sweet, juicy, and easy to eat by the handful.
You could eat two full cups and still take in fewer calories than a single candy bar.
2. Frozen Blueberries
Frozen blueberries are also low in calories, usually around 79 calories per cup.
As long as they’re frozen plain without added sugar or syrup, they’re just as diet-friendly as fresh ones.
They’re also cheaper and last longer, making them a smart choice for smoothies and oatmeal.
3. Dried Blueberries
Here’s where things change: dried blueberries are not low in calories.
A quarter cup of dried blueberries can have over 100 calories because the water is removed and the natural sugars become concentrated.
Many brands also add extra sugar, which pushes the calorie count even higher.
4. Blueberry Juice
Blueberry juice is another form that isn’t low in calories.
An 8-ounce glass can contain 110 calories or more, and it often lacks the fiber that makes whole blueberries so filling.
So if your goal is to keep calories low, stick with fresh or plain frozen berries.
How to Enjoy Low-Calorie Blueberries
Since blueberries are low in calories, they’re easy to work into almost any meal or snack.
1. Toss Them in Your Breakfast
Sprinkle a handful of blueberries over Greek yogurt, oatmeal, or cereal.
You’ll add sweetness and nutrients for very few extra calories.
2. Blend Them Into Smoothies
A cup of frozen blueberries blended with spinach, banana, and almond milk makes a creamy, low-calorie smoothie.
Just watch out for added honey or sugary juices that can quickly raise the calorie count.
3. Snack on Them Plain
A bowl of fresh blueberries on its own is one of the simplest low-calorie snacks you can reach for.
They satisfy a sweet tooth without the guilt of processed desserts.
4. Add Them to Salads
Blueberries pair beautifully with spinach, feta, and walnuts in a salad.
They add a burst of flavor and color while keeping the overall dish light and low in calories.
5. Use Them as a Topping
Spoon blueberries over pancakes, waffles, or cottage cheese instead of syrup or jam.
You’ll cut a lot of empty calories while still enjoying a sweet finish.
So, Are Blueberries Low in Calories?
Blueberries are low in calories, with only about 84 calories per cup of fresh berries.
That low calorie count comes from their high water content, fiber, and lack of added fats or sugars.
Just remember that dried and juiced versions are not low in calories, so stick with fresh or plain frozen berries if that’s your goal.
Whether you’re watching your weight or just want a healthy snack, blueberries are a delicious, low-calorie choice you can feel good about eating every day.