Zucchini is a low calorie, hydrating vegetable that many people add to salads, stir fries, and soups. Understanding how many calories in a zucchini helps with meal planning and weight management goals.
Below you will find a quick nutrition snapshot, detailed sections on raw and cooked zucchini, and practical ideas for using it in everyday meals.
| Serving Style | Portion Size | Calories | Key Notes |
|---|---|---|---|
| Raw, with skin | 1 medium zucchini (about 196 g) | 33 kcal | High in water and vitamin C |
| Raw, sliced | 100 g | 17 kcal | Very low calorie density |
| Steamed | 100 g | 18 kcal | Retains most nutrients |
| Sautéed in oil | 100 g | 35–50 kcal | Higher due to added fat |
| Fried | 100 g | 80–120 kcal | Calories increase with batter and oil |
Nutrition Profile of Raw Zucchini
Calories and Macronutrients
Raw zucchini is very low in calories, with about 17 kcal per 100 g. A full medium zucchini provides roughly 33 kcal, along with small amounts of protein, fiber, and natural sugar.
Micronutrients and Hydration
Each serving delivers vitamin C, potassium, and antioxidants while staying over 90 percent water. This combination supports hydration, immune function, and healthy blood pressure without adding many calories.
Cooked Zucchini and Calorie Changes
How Cooking Method Affects Calories
Steaming or baking zucchini barely changes the calorie count, but frying or breading can double or triple it. The oils and coatings you use have the biggest impact on how many calories in a zucchini after it is prepared.
Portion Control Tips for Cooked Dishes
When zucchini is part of a casserole or stir fry, measure your portion before adding high calorie sauces. Keeping the base vegetable portion large while limiting creamy toppings helps keep the meal lighter.
Practical Uses and Recipe Ideas
Low Calorie Meal Strategies
Use grated zucchini in place of higher calorie grains in dishes like lasagna or meatballs. Spiralized zucchini noodles, or zoodles, offer a low calorie base for pesto or tomato sauces with minimal added fat.
Snacking and Side Dish Options
Raw zucchini sticks with hummus, roasted slices with herbs, or grilled rounds as a bed for lean protein are satisfying ways to add volume to meals. These approaches let you eat a generous portion while staying within your calorie target.
Key Takeaways for Using Zucchini
- A medium raw zucchini provides about 33 calories with plenty of water and vitamin C.
- 100 g of raw or steamed zucchini is roughly 17–18 kcal, ideal for calorie conscious meals.
- Cooking methods with oil, butter, or batter can raise calories significantly.
- Portion size and toppings matter more than the vegetable itself once cooked.
- Using zucchini as a low calorie base helps increase meal volume without excess energy.
FAQ
Reader questions
How many calories are in a whole medium zucchini when I eat it raw?
A medium raw zucchini with skin contains about 33 calories, making it a very low calorie food for snacks or meals.
Does boiling or steaming change how many calories in a zucchini serving?
Boiling or steaming adds no significant calories, so a 100 g serving remains around 18 kcal while preserving most nutrients.
Will adding cheese or sauce increase calories in zucchini dishes?
Yes, cheese, cream sauces, or breading can add 50–200 extra calories per 100 g, so choose lighter toppings or use them sparingly.
Are zucchini snacks good for weight loss compared to higher calorie vegetables?
Yes, zucchini’s low calorie density and high water content help you feel full on fewer calories, which can support weight loss when part of a balanced diet.