Calories in Avocado
How many calories are in an avocado? A whole medium avocado has about 240 calories and half has roughly 120. See a full avocado calorie and macros table.
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Quick answer
A whole medium avocado (about 150 grams of flesh) contains roughly 240 calories, and half an avocado has about 120. Most of those calories come from healthy monounsaturated fat.
How Many Calories Are in an Avocado?
A whole medium avocado contains about 240 calories, and half an avocado has roughly 120. Avocados are unusual among fruits because they are loaded with fat rather than sugar, which is why their calorie density is closer to a nut than to an apple. By weight, avocado runs about 160 calories per 100 grams of flesh.
The fat in avocado is predominantly monounsaturated — the same heart-friendly type found in olive oil. That, combined with a generous dose of fiber, makes avocado very filling and a popular addition to weight-conscious meals despite the higher calorie count.
Avocado Calories by Serving
| Serving | Amount | Calories | Fat (g) | Carbs (g) | Fiber (g) |
|---|---|---|---|---|---|
| One slice | ~15 g | ~24 | 2.2 | 1.3 | 1.0 |
| Two tablespoons | ~30 g | ~48 | 4.4 | 2.6 | 2.0 |
| Quarter avocado | ~37 g | ~60 | 5.5 | 3.2 | 2.5 |
| Half avocado | ~75 g | ~120 | 11 | 6.4 | 5.0 |
| Whole avocado | ~150 g | ~240 | 22 | 13 | 10 |
| 100 grams | 100 g | ~160 | 15 | 9 | 7 |
These numbers are for fresh Hass avocado flesh. Guacamole adds calories from any oil, sour cream or extras, while mashed avocado on its own matches whole avocado per gram.
Why Are Avocados So Calorie-Dense?
The calorie density comes down to fat. Avocados are about 15% fat by weight, far higher than typical fruit, and fat delivers 9 calories per gram compared with 4 for carbohydrate. That is why a 150-gram avocado holds about 240 calories while a 150-gram apple holds under 80. The upside is that this fat is mostly monounsaturated oleic acid, the same fat that makes olive oil a staple of heart-healthy diets.
Macros and Nutrition in Avocados
A whole medium avocado provides about 22 grams of fat (roughly 15 grams monounsaturated), 13 grams of carbohydrate, 10 grams of fiber and 3 grams of protein. The high fiber-to-carb ratio means net carbs are low, making avocado a favorite on keto and low-carb plans. Avocados are also rich in potassium — more than a banana per serving — plus vitamin K, folate, vitamin E and lutein. The fat content helps the body absorb fat-soluble vitamins from other foods eaten alongside it.
Do Avocados Fit a Healthy Diet?
Avocados fit a healthy diet well as long as you mind the portion. Their monounsaturated fat and fiber promote fullness and support heart health, and they work beautifully as a butter or mayo replacement. Because they are calorie-dense, sticking to a half or a quarter per serving keeps the energy in check while still delivering the nutritional benefits. They are a strong fit for Mediterranean, low-carb and keto eating patterns alike.
Frequently Asked Questions
How many calories are in a whole avocado?
A whole medium Hass avocado provides about 240 calories from roughly 150 grams of edible flesh, with around 22 grams of fat and 12 grams of carbohydrates. Larger avocados can exceed 300 calories.
How many calories are in half an avocado?
Half a medium avocado contains about 120 calories, with around 11 grams of fat and 6 grams of fiber. A half is a common serving size that delivers healthy fats without an overly high calorie hit.
Why are avocados so high in calories?
Avocados are calorie-dense because they are roughly 15% fat by weight — unusual for a fruit. Fat carries 9 calories per gram versus 4 for carbs, so the fat content is what drives their higher calorie count.
Are avocados good for weight loss?
Avocados can support weight loss despite their calories because their fat and fiber are very satiating and may reduce overall appetite. The key is portion control, since the calories add up quickly.
How many calories are in avocado toast?
A typical avocado toast — half an avocado on one slice of whole-grain bread — contains about 200 to 250 calories. Adding an egg, cheese or extra avocado pushes it higher.
Sources
- FoodData Central — food composition database — U.S. Department of Agriculture (USDA)