Fresh strawberries are one of the lowest-calorie fruits around — a whole 100 g handful provides about 32 calories, yet it delivers a generous dose of vitamin C, manganese, and dietary fiber. That makes them a favorite for anyone tracking calories, following a low-sugar eating plan, or simply trying to build a satisfying snack without blowing their daily budget.
This strawberry calories per serving calculator lets you quickly work out the calories and macronutrients for the exact amount you’re eating — whether you measure in grams, ounces, whole cups, sliced cups, or by counting individual medium berries. Enter your serving size, hit calculate, and you’ll get total calories plus a complete breakdown of carbohydrates, net carbs, sugar, fiber, protein, and fat for that serving.
Use it for meal prep, snack planning, fruit bowls, smoothies, or dessert recipes where portion sizes matter.
🍓 Strawberry Calories Per Serving Calculator
Enter a serving size and choose a measurement unit to see total calories and the full macronutrient profile for fresh, raw strawberries.
Step-by-Step Guide
This calculator is designed to handle strawberries however you portion them. First, choose the unit that matches your measurement method:
- Grams or ounces — use a kitchen scale or follow a recipe that gives weights.
- Cups whole or sliced — use a measuring cup; whole berries include any gaps between berries, while sliced berries pack more tightly.
- Medium strawberries — count individual berries when you are throwing together a snack bowl.
Enter the amount into the Amount field, choose the matching unit, then click Calculate Calories. The quick-select buttons are handy for the most common portions: 100 g, 1 cup whole, 1 cup sliced, and 1 medium berry. The tool then converts your portion to grams, multiplies it by the calorie and nutrient density of raw strawberries, and shows a complete nutrition panel.
Nutrition Data Behind the Calculation
The calculator uses USDA FoodData Central values for raw, fresh strawberries. Per 100 g, the reference values are approximately:
- Calories: 32 kcal
- Carbohydrates: 7.7 g
- Net carbohydrates: 5.7 g
- Sugars: 4.9 g
- Dietary fiber: 2.0 g
- Protein: 0.7 g
- Fat: 0.3 g
From these figures, the calculation multiplies your serving weight in grams by per-gram factors: 0.32 for calories, 0.0768 for carbohydrates, 0.0489 for sugar, 0.02 for fiber, 0.0067 for protein, and 0.003 for fat. Net carbs are simply total carbohydrates minus fiber.
Worked Example — 150 g snack bowl: 150 g × 0.32 = 48 kcal. The same serving provides about 11.5 g carbohydrates, 7.3 g sugar, 3.0 g fiber, 1.0 g protein, and 0.5 g fat.
Worked Example — 1 cup whole berries: A cup of whole strawberries weighs roughly 144 g, giving about 46 kcal, 11.1 g carbohydrates, 7.0 g sugar, 2.9 g fiber, and 1.0 g protein.
Worked Example — 10 medium berries: At about 12 g per berry, 10 berries weigh 120 g. That comes to approximately 38 kcal, 9.2 g carbohydrates, and 2.4 g fiber.
Reference Table: Strawberry Serving Sizes
Use this quick reference to estimate portions when you do not have the calculator open:
| Measurement | Approx. Weight | Calories |
|---|---|---|
| 1 medium berry | 12 g | 4 kcal |
| 100 g | 100 g | 32 kcal |
| 1 oz | 28 g | 9 kcal |
| 1 cup whole | 144 g | 46 kcal |
| 1 cup sliced | 166 g | 53 kcal |
| 1 pint | about 300 g | 96 kcal |
Tips for Accurate Portion Counting
A digital kitchen scale is the most reliable way to know exactly how many grams of strawberries you are eating. Cup measurements are convenient, but berry size and packing method can change the weight by 10–20%. For example, large whole berries leave more air space in a cup than small berries that settle tightly together.
Frozen unsweetened strawberries have nearly the same calorie density as fresh berries, and the calculator's values remain a reasonable estimate. However, strawberries packed in syrup, sugar-sweetened frozen products, or fruit cups in syrup can carry significantly more calories and carbohydrates per serving, so check the package label before relying on this calculator for those products.
Frequently Asked Questions
How many calories are in one strawberry?
A medium fresh strawberry weighs about 12 g and provides roughly 4 kcal. Even a generous bowl of 10 berries is only about 40 kcal, which is why strawberries are a popular low-calorie snack.
Are frozen strawberries calorie-free or different?
Plain frozen unsweetened strawberries are very similar nutritionally to fresh strawberries, with about 32–35 kcal per 100 g depending on the brand. The calorie difference appears when sugar or syrup is added. Berry varieties, ripeness, and growing conditions also cause small natural variations.
Why does my nutrition app show a slightly different number?
Different apps and databases use different USDA entries or brand-specific data. Some list 32 kcal per 100 g, others use 33 or 34 kcal. The calculator uses rounded practical averages that will be close enough for meal planning, but not identical to every packaged label or app entry.
Does blending or slicing strawberries change the calories?
No. Blending, slicing, or mashing changes physical form and may affect how quickly you eat them, but it does not change the number of calories per gram. What matters is the weight of the berries you actually consume.
For the full nutrient profile and the source data behind these values, see USDA FoodData Central.