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How many calories are in 32g of tomatoes?

5 min read

Did you know that cherry tomatoes contain just 6 calories per 32-gram serving, making them one of the lowest-calorie additions to any meal? When you're tracking your intake, understanding how many calories are in 32g of tomatoes is crucial for meal planning and staying on track with your health goals. This small, juicy fruit is a powerhouse of nutrients that can be enjoyed guilt-free.

Quick Summary

A 32-gram serving of raw tomatoes contains approximately 6 calories, depending on the variety, with a high water content and minimal macronutrients. The exact calorie count varies slightly by type, but all fresh tomatoes are a low-energy-density food, providing few calories for a satisfying portion size. This makes them an ideal choice for weight management.

Key Points

  • Low Calorie Count: A 32g serving of tomatoes, like cherry or roma, contains approximately 6 calories due to its high water content.

  • High in Water and Fiber: Tomatoes are a low-energy-density food, with high water and fiber content, which helps promote a feeling of fullness.

  • Source of Key Nutrients: A small serving contributes vitamins such as Vitamin C and K, as well as essential minerals like potassium.

  • Rich in Antioxidants: Tomatoes are a primary dietary source of the antioxidant lycopene, which offers various health benefits, including support for heart health.

  • Versatile for Dieting: The low-calorie nature of tomatoes makes them an ideal and versatile ingredient for adding flavor and volume to meals while managing weight.

  • Cooking Affects Lycopene: The body absorbs the powerful antioxidant lycopene more effectively from cooked tomatoes than from raw ones.

  • Weight Management Aid: Because they are filling but low in calories, tomatoes can be a valuable part of a weight loss or maintenance diet.

In This Article

Calculating Calories in 32g of Tomatoes

When we ask, "how many calories are in 32g of tomatoes?", the answer is remarkably low. A standard reference for nutrient data shows that a 32-gram serving of raw tomatoes contains approximately 6 calories. This is because tomatoes have an extremely high water content, making them a very low-energy-density food. For comparison, 100 grams of raw, ripe tomatoes typically contains only around 18 calories. This means that a small, 32g serving accounts for a tiny fraction of your daily caloric intake.

The majority of a tomato's calories come from carbohydrates, mainly in the form of simple sugars and fiber, with very little fat and a small amount of protein. Its high fiber and water content contribute to its low-calorie status, helping to promote a feeling of fullness without adding significant calories.

Nutritional Breakdown of a 32g Tomato Serving

Beyond just the low-calorie count, 32 grams of tomatoes still provides a helpful dose of micronutrients. While the quantities are small due to the serving size, these nutrients contribute to your daily intake and offer significant health benefits. A typical 32g serving of a raw, ripe tomato (like a cherry or roma) contains valuable vitamins and minerals. For instance, a 32-gram portion of cherry tomatoes offers 5% of the Daily Value for Vitamin C and 2% for Potassium.

Macronutrients in 32g of Tomatoes

  • Carbohydrates: Approximately 1g
  • Protein: Approximately 0.3g
  • Fat: Less than 0.1g
  • Fiber: Approximately 0.4g

Factors That Can Influence Calorie Count

While the 6-calorie figure is a reliable average for raw, fresh tomatoes, the exact calorie content can vary slightly based on several factors:

  • Variety: Different types of tomatoes have slightly different nutritional profiles. Roma tomatoes, for example, have a similar calorie density to cherry tomatoes.
  • Ripeness: The sugar content can increase slightly as a tomato ripens, though this has a minimal effect on the overall calorie count of a small serving.
  • Preparation: Adding oil, cheese, or other ingredients during cooking will significantly increase the total calories. For example, sun-dried tomatoes (with most of the water removed) have a much higher calorie density. Cooking without added fats, such as stewing, does not drastically change the calorie count.

Comparison Table: Calories in Different Tomato Forms

To better illustrate how different preparations affect the calorie count, the following table compares the approximate calories for a 32-gram serving of tomatoes prepared in various ways. These are estimated values based on standard nutritional data.

Tomato Type (32g serving) Calories (approx.) Notes on Processing
Raw, Ripe 6 kcal Mostly water, low-calorie
Sun-dried, Drained Oil 68 kcal Water removed, concentrating sugars and nutrients
Canned (in juice) 5 kcal Similar to fresh, minimal changes
Stewed (with salt) 6 kcal Cooking process does not add calories

Health Benefits Beyond the Calorie Count

Beyond their low-calorie nature, tomatoes offer a host of health benefits, primarily due to their rich antioxidant content. Lycopene, the red pigment found in tomatoes, is a powerful antioxidant linked to numerous health benefits, including a reduced risk of heart disease and certain cancers, such as prostate cancer. Lycopene is more easily absorbed by the body when tomatoes are cooked, so incorporating both raw and cooked tomatoes into your diet is beneficial.

Tomatoes are also an excellent source of Vitamin C, which supports the immune system and skin health, and Vitamin K, which is important for blood clotting and bone health. The potassium found in tomatoes also helps to regulate blood pressure and supports heart health. With high water and fiber content, tomatoes are great for promoting hydration and healthy digestion.

Practical Applications for Your Diet

Whether you're watching your weight or simply aiming for healthier eating habits, 32 grams of tomatoes can be incorporated easily into your meals. A small handful of cherry tomatoes adds a burst of flavor and color to salads without adding significant calories. Diced tomatoes can be added to eggs or wraps for extra nutrients. They also make a great, hydrating snack on their own. Their versatility and nutritional punch make them an excellent addition to almost any diet.

Conclusion

In conclusion, 32 grams of tomatoes contains a very small amount of calories, typically around 6 kcal. This makes it an exceptionally low-energy-density food, perfect for snacking and adding volume to meals without increasing caloric load. As a source of powerful antioxidants like lycopene, along with essential vitamins and minerals, this humble fruit offers substantial health benefits far beyond its low-calorie content. Including tomatoes in your regular diet is a simple and delicious way to boost your overall nutritional intake and support your health goals.

Frequently Asked Questions

What is a 32g serving of tomatoes equivalent to? A 32-gram serving is roughly equivalent to two small cherry tomatoes or a small portion of a larger tomato, making it easy to incorporate into snacks and meals.

Is the calorie count different for cooked vs. raw tomatoes? The calorie count for raw and simply cooked tomatoes (e.g., stewed) is similar, as cooking does not add calories. However, preparations that remove water (like sun-dried) or add oil will increase the total calories.

Do different varieties of tomatoes have different calories? Yes, varieties like cherry or roma may have slightly different calorie counts per 100g, but for a small 32g serving, the difference is negligible, and all are considered low in calories.

Are tomatoes a good food for weight loss? Yes, tomatoes are excellent for weight loss due to their high water and fiber content, which promotes satiety and keeps you feeling full on very few calories.

What other nutrients are in a small serving of tomatoes? A 32g serving provides small amounts of vitamin C, potassium, folate, and the powerful antioxidant lycopene.

Is it better to eat tomatoes raw or cooked for health benefits? Both raw and cooked tomatoes are beneficial. Cooking them increases the bioavailability of the antioxidant lycopene, while raw tomatoes provide higher levels of some heat-sensitive vitamins like Vitamin C.

Can I eat too many tomatoes? While tomatoes are very healthy, eating them in excess can lead to an increase in your acid intake due to their acidity, which could affect teeth enamel. A balanced diet is always recommended.

Frequently Asked Questions

A 32-gram serving is roughly equal to two average-sized cherry tomatoes, which contain around 6 calories.

Canned tomatoes that are packed in their own juice generally have a similar calorie count to fresh tomatoes, provided no extra ingredients like oil are added.

On average, 100 grams of raw, ripe tomatoes contains about 18 calories, showcasing their very low-calorie density.

The primary macronutrient in fresh tomatoes is carbohydrates, consisting mainly of simple sugars and dietary fiber.

Cooking tomatoes, such as in a sauce, makes the antioxidant lycopene more bioavailable for the body to absorb, although it may reduce the amount of heat-sensitive Vitamin C.

Yes, tomatoes are very hydrating due to their high water content, which is approximately 95%.

Lycopene is a powerful antioxidant found in tomatoes that gives them their red color and has been linked to numerous health benefits, including a reduced risk of heart disease and certain cancers.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.