A whole medium avocado contains about 1 gram of total sugar. That makes it one of the lowest-sugar fruits you can eat, with less sugar than a single strawberry. The FDA’s standard serving size for avocado is just one-fifth of a medium fruit (about 30 grams), and at that portion the sugar rounds down to 0 grams on a nutrition label.
Full Carbohydrate Breakdown
Sugar tells only part of the carbohydrate story. A whole medium avocado (roughly 201 grams) has about 13 grams of total carbohydrates, but 10 of those grams come from fiber. That leaves only about 3 grams of net carbs, which is the number that actually affects your blood sugar. For comparison, a medium banana has 19 grams of sugar alone.
The reason avocado is so low in sugar is that most of its calories come from fat, specifically heart-healthy monounsaturated fat. A medium avocado has about 22 grams of fat and 240 calories total. It’s far more similar in nutritional profile to nuts and olive oil than to other fruits.
How Avocado Compares to Other Fruits
Avocado sits at the very bottom of the sugar scale among common fruits. Here’s how it stacks up:
- Avocado (1 whole): 1 g sugar
- Lemon (1 medium): 2 g sugar
- Strawberries (8 medium): 8 g sugar
- Tangerine (1 medium): 9 g sugar
- Orange (1 medium): 14 g sugar
- Pear (1 medium): 16 g sugar
- Apple (1 large): 19 g sugar
- Banana (1 medium): 19 g sugar
- Grapes (3/4 cup): 20 g sugar
- Watermelon (2 cups diced): 20 g sugar
The only common fruits that come close to avocado’s near-zero sugar are lemons and limes. Every other fruit you’d typically eat as a snack has at least 8 to 20 grams per serving.
Hass vs. Florida Varieties
If you’re wondering whether the type of avocado matters, the difference is minimal. Florida avocados (the larger, smooth-skinned variety) are sometimes marketed as “lite” because they have slightly less fat than the smaller, darker Hass avocado. But the overall nutritional composition, including sugar content, is similar across varieties. You won’t get meaningfully more or less sugar by choosing one type over another.
Effects on Blood Sugar
Avocado’s combination of high fiber, healthy fat, and almost no sugar means it has very little impact on blood sugar levels. Research from the American Society for Nutrition found that eating avocado daily for 12 weeks improved blood glucose control in adults who were overweight or had insulin resistance. The fat and fiber slow digestion, which helps prevent the kind of blood sugar spike you’d get from higher-sugar fruits or refined carbohydrates.
This is why avocado works well for people managing diabetes or following low-carb and ketogenic diets. With only 3 grams of net carbs per whole fruit, it fits comfortably into even strict carbohydrate limits. Adding avocado to a meal that contains higher-carb foods can also help blunt the overall blood sugar response from that meal.