How many calories are in an avocado? The USDA breakdown

Avocado is one of the most-searched calorie questions on the internet, and one of the few where the honest answer needs a weight attached. Fat-rich foods are calorie-dense, so the difference between a small and a large avocado is bigger than the difference between a small and a large apple — in absolute calories, much bigger.

The USDA numbers

USDA FoodData Central lists raw avocado in two relevant records. The variety-specific one matters, because nearly every avocado in a Western supermarket is a Hass:

Worth pausing on the carbohydrate line: of the ~8.5 g of carbs, ~6.7 g is fiber. Net digestible carbohydrate in an avocado is under 2 g per 100 g — which is why it fits low-carb diets despite the "8 g carbs" a label might show.

Per fruit and per serving

Using the USDA Hass basis of 167 kcal per 100 g of edible flesh (no skin, no seed):

The skin and seed are roughly 25–30% of the whole fruit's weight. If you weigh an untrimmed avocado at 200 g, you're eating about 140–150 g of it. Weighing whole and logging that number overstates the calories by a third.

Why the fat makes size matter

Avocado flesh is about 15% fat by weight, and fat carries 9 kcal per gram — versus 4 for carbohydrate and protein. That density is why a 30 g difference in fruit size moves the total by ~50 kcal, while the same 30 g of cucumber moves it by ~5. Practical consequence: avocado is a food where estimating "one avocado" without a size is the single biggest error source in the log. "Half a large Hass" (~100 g, ~167 kcal) versus "half a small one" (~55 g, ~92 kcal) is a 75 kcal spread inside the same sentence.

The fat itself is mostly monounsaturated — about 10 g of the 15.4 g per 100 g is oleic acid territory, the same dominant fat as olive oil — with roughly 2.1 g saturated. Avocado also brings potassium at 485 mg per 100 g, more per gram than a banana (358 mg).

Logging avocado accurately

• Log by fraction plus size, not "one avocado": "half a large avocado" is a much better input than "avocado".
• Guacamole is mostly avocado — but restaurant guac adds oil more often than you'd think. Homemade: log the avocado plus a little onion/tomato (negligible). Restaurant: add ~10–20%.
• On Calorie.one, "avocado toast with an egg" decomposes into bread, avocado (with a gram estimate you can adjust), and egg — each line priced from its USDA record, each labeled with its source (that split between AI recognition and database arithmetic is the whole methodology). If the AI assumed 50 g of avocado and your smear was closer to 80, edit the line and the 167 kcal/100 g basis reprices it instantly.
• Put the fruit in context: a whole avocado is ~11% of a 2,000 kcal day. If you don't know your own daily number, the calorie calculator is the place to start.

FAQ

How many calories are in half an avocado?

About 114 kcal for half a medium Hass (~68 g of flesh), using the USDA value of 167 kcal per 100 g. Half a large avocado is closer to 165 kcal.

Are avocado calories different from the fat in oil or butter?

Per gram of fat, no — fat is ~9 kcal/g everywhere. Per 100 g of food, hugely: avocado is ~167 kcal while olive oil is 884, because avocado flesh is ~73% water and brings fiber, potassium and folate along. Calorie-for-calorie it's far more filling than free fats.

Is avocado good for weight loss despite the calories?

It can be, in portions you actually count. Its fiber and fat slow digestion and improve satiety, and its net carbs are minimal. The risk is purely arithmetic: at ~227 kcal per fruit, an uncounted daily avocado is an uncounted ~1,600 kcal per week.

Do avocado calories change as it ripens?

Not meaningfully. Ripening softens the flesh and develops flavor but doesn't add energy; minor water loss can nudge density up slightly while the fruit gets correspondingly lighter. A 136 g Hass is ~227 kcal firm or soft.