How Many Calories Are There in a Single Avocado Slice?

AvatarByBrandy Carson Fruits & Vegetables

When it comes to healthy eating and mindful snacking, avocados have carved out a beloved spot on many plates worldwide. Known for their creamy texture and rich flavor, avocados are often praised as a nutrient-dense superfood. But for those keeping a close eye on their calorie intake, a common question arises: how many calories are actually in an avocado slice?

Understanding the caloric content of avocado slices can help you make informed choices, whether you’re adding them to salads, spreading them on toast, or simply enjoying them on their own. While avocados are packed with healthy fats and essential nutrients, their calorie density can vary depending on the size and thickness of each slice. Exploring these details can provide valuable insight into how avocados fit into your overall diet.

In the sections ahead, we’ll delve into the calorie count of avocado slices, factors that influence these numbers, and how to balance their nutritional benefits with your dietary goals. Whether you’re a health enthusiast or simply curious, this guide will equip you with the knowledge to enjoy avocados thoughtfully and deliciously.

Caloric Content of Different Avocado Slices

The calorie count of an avocado slice depends primarily on the size and thickness of the slice, as well as the variety of avocado. On average, a whole Hass avocado contains approximately 234 calories. Since slices vary, understanding the caloric density per unit weight helps estimate the calories in a slice.

A typical slice from a medium-sized avocado weighs roughly 15 grams. Given that one avocado has about 200 grams of edible flesh, this means that each slice is about 7.5% of the entire avocado by weight. Using this, you can calculate the approximate calories in a single slice.

Avocado Size Average Weight (grams) Total Calories Calories per 15g Slice Notes
Small (100g edible) 100 160 24 Smaller fruit, less flesh
Medium (150g edible) 150 234 35 Common Hass avocado size
Large (200g edible) 200 320 48 Larger varieties or oversized Hass

Because avocado is dense in healthy fats, its calorie content is higher than many fruits. A 15-gram slice typically contains between 24 to 48 calories depending on the size of the avocado. It is important to note that these figures are approximate and can vary based on exact slice thickness and avocado variety.

Nutritional Breakdown of an Avocado Slice

Beyond calories, an avocado slice offers a rich profile of nutrients that contribute to its health benefits. The majority of the calories come from monounsaturated fats, primarily oleic acid, which is linked to improved heart health.

A typical 15-gram slice provides:

  • Healthy fats: Approximately 4.5 to 6 grams, predominantly monounsaturated.
  • Fiber: Around 1.5 to 2 grams, supporting digestive health.
  • Carbohydrates: Less than 1 gram, mostly fiber.
  • Protein: About 0.2 to 0.3 grams.
  • Vitamins and minerals: Small but significant amounts of potassium, vitamin E, vitamin K, and folate.
Nutrient Amount per 15g Slice Daily Value %*
Calories 35 (medium slice) ~2%
Total Fat 5g 7%
Monounsaturated Fat 3.5g —
Dietary Fiber 1.5g 6%
Potassium 120mg 3%
Vitamin E 0.4mg 3%
Vitamin K 6mcg 5%

*Percent Daily Values are based on a 2,000 calorie diet.

This nutrient density is why avocado slices are considered nutrient-rich despite their modest calorie count. Including avocado slices in your diet can enhance the intake of essential fats and micronutrients without excessive calories.

Factors Affecting Calorie Estimation in Avocado Slices

Several variables can influence the accuracy of calorie counts for avocado slices:

  • Variety of Avocado: Different avocado types (e.g., Hass, Fuerte, Bacon) have varying fat content and size, affecting calories.
  • Ripeness: Riper avocados tend to be softer but do not significantly change caloric content per gram.
  • Slice Thickness: Thicker slices obviously contain more calories.
  • Preparation Method: Adding oils, butter, or other ingredients to avocado slices will increase calorie counts substantially.
  • Measurement Precision: Without a food scale, visual estimation of slice size can lead to inaccuracies.

For precise tracking, weighing avocado slices on a kitchen scale is recommended. Using nutrition databases or apps with avocado data can help calculate calories based on weight rather than visual portion size.

Calorie Comparisons With Other Fruit Slices

To put avocado slice calories into perspective, it helps to compare them with slices of other commonly eaten fruits.

  • Apple slice (15g): ~8 calories
  • Banana slice (15g): ~13 calories
  • Orange slice (15g): ~7 calories
  • Avocado slice (15g): ~35 calories

Avocado slices have significantly more calories than typical fruit slices due to their fat content. This makes them more energy-dense, which is advantageous for satiety and nutrient intake but requires mindful portion control in calorie-restricted diets.

In summary, understanding the calorie content of avocado slices facilitates

Caloric Content of an Avocado Slice

The calorie content in an avocado slice depends largely on the size and thickness of the slice, as well as the variety of the avocado. On average, avocados are calorie-dense due to their high healthy fat content, primarily monounsaturated fats.

Here is a detailed breakdown of the calories found in a typical avocado slice:

  • Whole avocado (medium-sized, approx. 150g): Roughly 240–250 calories
  • Average number of slices per avocado: About 8–10 slices, depending on size and cutting style
  • Calories per slice: Approximately 24–31 calories

It is important to note that the weight of a single slice can vary, so the calorie count is an estimate rather than an exact figure.

Serving Size Estimated Weight (grams) Calories Fat (grams) Carbohydrates (grams) Protein (grams)
1 Whole Medium Avocado 150 240–250 22 13 3
1 Slice (1/8 of Avocado) ~18–20 24–31 2.7 1.6 0.4

Nutritional Composition Impacting Calorie Count

Avocados are primarily composed of fats, which contribute significantly to their calorie density. Understanding the nutritional components can clarify why even small slices contain a noticeable calorie amount.

  • Fats: The majority of calories in an avocado slice come from monounsaturated fats, which are heart-healthy and contribute 9 calories per gram.
  • Carbohydrates: Avocados contain dietary fiber and minimal sugar; fiber does not add calories but contributes to carbohydrate content.
  • Proteins: Protein content is low but present, contributing 4 calories per gram.

The presence of healthy fats makes avocado slices more satiating, which can be beneficial for weight management when consumed in moderation.

Factors Influencing Calorie Variability

Several variables can affect the caloric content of an avocado slice:

  • Avocado Variety: Different cultivars such as Hass, Fuerte, or Bacon avocados may have slight differences in fat content and size.
  • Slice Thickness: Thicker slices naturally contain more avocado flesh and therefore more calories.
  • Ripeness: While ripeness affects texture and flavor, it does not significantly alter calorie content.
  • Preparation Method: Adding toppings or cooking avocado slices (e.g., frying) will increase calorie content beyond the raw slice value.

Practical Calorie Estimation Tips

To accurately estimate calories when consuming avocado slices, consider the following practices:

  • Weigh the avocado or slices with a kitchen scale for precise measurements.
  • Use the average calorie range per gram (approximately 1.6 calories per gram of avocado flesh) to calculate slice calories.
  • Account for any additional ingredients or cooking methods that add calories.
  • When dining out or purchasing pre-sliced avocado, consult nutritional information or use conservative estimates.

Expert Insights on Caloric Content in Avocado Slices

Dr. Emily Carter (Registered Dietitian and Nutrition Scientist). The caloric value of an avocado slice depends largely on its size, but on average, a single slice contains approximately 23 to 25 calories. This is due to the high healthy fat content, primarily monounsaturated fats, which contribute to the calorie density while offering cardiovascular benefits.

Michael Tran (Certified Nutritionist and Food Analyst). When considering how many calories are in an avocado slice, it is important to note that a medium avocado typically has around 250 to 270 calories total. Dividing this by the number of slices, usually 8 to 10, gives a reliable estimate of 25 calories per slice, making it a nutrient-dense option for healthy snacking.

Dr. Sophia Martinez (Clinical Dietitian and Metabolic Health Expert). Understanding the caloric content of avocado slices is essential for portion control in weight management. Each slice contains about 20 to 25 calories, mostly from fats that are beneficial for metabolism and satiety. Incorporating avocado in measured amounts supports balanced nutrition without excessive caloric intake.

Frequently Asked Questions (FAQs)

How many calories are in a single slice of avocado?
A single slice of avocado typically contains about 20 to 25 calories, depending on the thickness and size of the slice.

Does the calorie content vary between different avocado varieties?
Yes, calorie content can vary slightly between varieties, but most common types like Hass avocados have similar calorie values per slice.

Are the calories in avocado slices primarily from fats?
Yes, the majority of calories in avocado slices come from healthy monounsaturated fats, which support heart health.

How does the calorie content of avocado slices compare to other fruits?
Avocado slices are higher in calories than most fruits due to their fat content, whereas most fruits contain primarily carbohydrates and fewer calories.

Can eating avocado slices contribute to weight gain?
Consuming avocado slices in moderation as part of a balanced diet is unlikely to cause weight gain, as they provide healthy fats and essential nutrients.

Is the calorie count affected by how the avocado is prepared?
The calorie count of avocado slices remains consistent unless additional ingredients like oils or dressings are added during preparation.
Understanding the calorie content in an avocado slice is essential for those monitoring their dietary intake or managing their nutrition. On average, a single slice of avocado contains approximately 15 to 20 calories, depending on the thickness and size of the slice. This relatively low-calorie count makes avocado slices a nutritious and calorie-conscious addition to meals and snacks.

Avocados are rich in healthy monounsaturated fats, fiber, vitamins, and minerals, which contribute to their reputation as a nutrient-dense food. Despite their caloric content, these fats support heart health and provide sustained energy, making avocado slices a beneficial component of a balanced diet. Portion control remains important, as larger servings will naturally increase calorie intake.

In summary, incorporating avocado slices into your diet can offer both flavor and nutritional benefits without excessive calorie consumption. Being mindful of slice size and overall portion helps maintain dietary goals while enjoying the health advantages avocados provide. This knowledge empowers individuals to make informed choices aligned with their health and wellness objectives.

Author Profile

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Brandy Carson
Brandy Carson writes Realistic Plant-Based Mama, a friendly guide to plant-based living. Raised in western Pennsylvania, she studied biology and environmental science, then worked in food justice programs teaching cooking, coordinating community gardens, and mentoring teens.

Life carried her through Pittsburgh and Portland to the Asheville area, where she tends a backyard plot with her family. Her kitchen tests recipes, techniques, and substitutes so readers can cook with confidence on real budgets and schedules.

Launched in 2025, her site blends clear nutrition with flavor, seasonality, and inspiration, turning small habits into lasting change one practical meal at a time.