Foods · Carbs in food
Carbs in avocado, and is it good for diabetics?
How many carbs are in a whole or half avocado, why most of them are fiber, and what to watch when you eat it with other foods.
Carbs in avocado
| Portion | Carbs | Fiber | Net carbs | Sugar | Calories |
|---|---|---|---|---|---|
| Medium avocado, peeled and pitted136 g | 12 g | 9 g | 2 g | 0 g | 227 |
| 1 serving (about 1/3 avocado)50 g | 4 g | 3 g | 1 g | 0 g | 84 |
| 1 cup, mashed230 g | 20 g | 16 g | 4 g | 1 g | 384 |
Per 100 g: 8.6 g carbs, 6.8 g fiber, 2 g protein, 15.4 g fat, 167 calories. Source: USDA FoodData Central (Avocados, raw, California). Net carbs = carbs minus fiber. Brands and recipes vary, so check the label when you have one.
The short version
- A medium avocado (136 g) has about 12 g of carbs, and 9 g of that is fiber. That leaves about 2 g of net carbs for the whole fruit.
- Yes, people with diabetes can eat avocado. It is one of the lowest-carb fruits you can buy.
- On its own, avocado tends to barely move blood sugar. What you eat it with (toast, chips, a tortilla) usually matters far more.
- It is high in fat and calories, so portion still counts if you are watching your weight.
How many carbs are in an avocado?
USDA data for raw California avocados, the Hass type sold in most shops, gives 8.6 g of carbs per 100 g, of which 6.8 g is fiber and only 0.3 g is sugar. For the portions people actually eat:
- 1 serving, about a third of an avocado (50 g): about 4 g of carbs, 3 g of fiber
- Half an avocado (68 g): about 6 g of carbs, 5 g of fiber
- Medium avocado (136 g): about 12 g of carbs, 9 g of fiber
- 1 cup mashed (230 g): about 20 g of carbs, 16 g of fiber
The weights are for the flesh only, without skin and pit. Avocados vary a lot in size, and a big one can be twice the USDA medium. The large, smooth green Florida avocados are bigger: one weighs around 304 g without skin and seed, which is about 24 g of carbs and 17 g of fiber. Per 100 g they have less fat and more sugar than Hass.
Fiber is carbohydrate your body doesn't break down into glucose. If your care team has you count net carbs, a whole Hass avocado comes to about 2 g. If you count total carbs, use the bigger number. Our carb counting guide explains both ways.
Is avocado good for diabetics?
For most people with diabetes it is a good choice. Very few of its carbs are sugar, it has a lot of fiber, and most of its fat is the unsaturated kind found in olive oil and nuts. It also brings potassium and folate.
The American Diabetes Association doesn't put any food on a forbidden list. Its nutrition report points to the overall eating pattern, and it suggests swapping saturated fats (butter, fatty meat) for unsaturated ones. Using avocado in place of butter or mayonnaise fits that well.
The catch is energy. A medium avocado has about 21 g of fat and 227 calories. That's fine as part of a meal, but eating two a day on top of everything else adds up. If weight is part of your plan, half an avocado is a sensible serving.
What avocado does to blood sugar
With so little sugar and starch, avocado alone is likely to cause only a small rise, if any. You won't find a reliable glycemic index for it, because standard GI tests need a portion with 50 g of usable carbs, and that would mean eating several avocados.
The bigger effect is on the rest of the meal. Fat slows down how fast your stomach empties. Avocado on toast tends to give a slower, flatter rise than plain toast, but the rise can also last longer and show up later. Some people who take insulin notice their sugar creeping up several hours after a high-fat meal. If you see that pattern, bring your readings to your care team instead of changing anything yourself.
Your meter or CGM is the real test. Check before you eat and about 2 hours after you start, and look again later if the meal was heavy. Our guide to blood sugar 2 hours after eating explains what the numbers mean.
How to eat avocado with diabetes
- Count what comes with it. A slice of toast, a handful of tortilla chips or a wrap carries far more carbs than the avocado. Guacamole is low in carbs. The chips are not.
- Use it to replace, not add. Spread it instead of butter, or slice it into a salad instead of croutons.
- Pair it with protein. Eggs, beans, chicken or fish with avocado make a filling meal that is likely to keep blood sugar steadier.
- Check smoothie recipes. Avocado makes smoothies creamy, but the banana, juice or honey next to it is where the sugar comes from.
- Keep half for later. Leave the pit in, cover the cut side and put it in the fridge. It makes sticking to half much easier.
Looking for more meal ideas? See our list of low-carb meals for diabetes.
Counting it without a scale
Most days you won't weigh half an avocado. In T1dApp you can take a photo of your plate and get the carbs for each food on it, the avocado and the toast under it, shown as a range you can edit. Two hours later the app asks for your reading, so you learn how your usual avocado meals actually affect you.
Snap your meal, see the carbs
T1dApp gives you carbs, calories, protein and fat from a photo, and your likely blood sugar 2 hours later.
Sources
- USDA FoodData Central: Avocados, raw, California (FDC ID 171706)
- USDA FoodData Central: Avocados, raw, California (FDC ID 171706)
- USDA FoodData Central: Avocados, raw, Florida (FDC ID 171707)
- American Diabetes Association. Nutrition Therapy for Adults With Diabetes or Prediabetes: A Consensus Report (2019)
This article is general information, not medical advice. Your targets, doses and diet should be set with your doctor or diabetes care team.