One cup of sliced strawberries (168g) contains about 13 grams of total carbohydrates and 3 grams of fiber, putting the net carb count at roughly 10 grams. That makes strawberries one of the lowest-carb fruits you can eat.
Carbs by Serving Size
The exact number depends on how you measure. A cup of whole strawberries weighs less than a cup of sliced ones because the whole berries leave more air gaps in the cup. Here’s how common portions break down:
- 1 cup whole strawberries (152g): 11.7g total carbs, 3g fiber, 8.7g net carbs
- 1 cup sliced strawberries (168g): 13g total carbs, 3g fiber, 10g net carbs
- 1 medium strawberry (~12g): roughly 1g total carbs
Net carbs are what remain after subtracting fiber, since your body doesn’t digest fiber or convert it into blood sugar. If you’re tracking carbs for any reason, net carbs give you a more accurate picture of what actually affects your blood glucose.
How Strawberries Compare to Other Berries
Strawberries sit at the lower end of the carb spectrum among popular fruits. The CDC groups fruit servings by “carbohydrate choices,” where one choice equals 15 grams of carbs. To reach that 15-gram mark, you’d need 1¼ cups of whole strawberries but only ¾ cup of blueberries. In other words, you can eat roughly 60% more strawberries than blueberries for the same carb cost.
Raspberries and blackberries are similarly low-carb and high-fiber, making all three good options if you’re watching your intake. Blueberries, while packed with their own nutritional benefits, contain noticeably more sugar per serving.
Strawberries on a Low-Carb or Keto Diet
With under 9 grams of net carbs per cup of whole berries, strawberries are one of the few fruits that fit comfortably into a ketogenic diet, where most people aim to stay under 20 to 50 grams of net carbs per day. A half-cup serving uses up only about 4 to 5 grams of that budget, leaving plenty of room for the rest of your meals.
Their high fiber content relative to total carbs is what makes them work. Fiber slows digestion, which helps prevent the kind of sharp blood sugar spike you’d get from higher-sugar fruits like grapes or bananas.
Effect on Blood Sugar
Strawberries have a low glycemic index, meaning they raise blood glucose gradually rather than all at once. This matters for people managing diabetes or prediabetes, but it’s also relevant if you’re simply trying to avoid energy crashes after eating.
There’s also evidence that eating strawberries regularly may improve how your body handles sugar over time. A 28-week randomized controlled trial found that adults with prediabetes who ate about 2.5 servings of strawberries daily for 12 weeks saw significant improvements in fasting blood sugar, insulin levels, and insulin resistance compared to a control period with no strawberries. Those improvements showed up as early as four weeks in. The researchers attributed the effect largely to the antioxidant compounds concentrated in strawberries, which appear to help cells respond more effectively to insulin.
Fresh, Frozen, and Dried: What Changes
Fresh and frozen strawberries are nutritionally almost identical. Freezing doesn’t alter the carbohydrate or fiber content in any meaningful way, so frozen berries are a perfectly good substitute, especially when fresh ones are out of season or expensive. The one thing to watch for is added sugar. Some frozen strawberry products are sweetened, which can double or triple the carb count. Check the ingredients list and choose packages with no added sugars.
Dried strawberries are a different story. The water removal concentrates the sugars dramatically, and many brands add extra sugar during processing. A quarter cup of dried strawberries can contain 25 to 30 grams of carbs, far more than a full cup of fresh ones. If carb count matters to you, fresh or plain frozen is the better choice.