Mango and Diabetes: Carbs, Glycemic Index and Portions
A cup of mango pieces has about 25 g of carbohydrate (22 g net). Glycemic index: low (31 to 34). Yes, in measured portions. Mango is a sweet fruit, so a whole mango is often more than one serving.
A mango is bigger than people think. A cup of pieces is a fruit serving, but a whole fruit can be two servings or more, so slicing and measuring helps.
Ripe mango is sweeter. Frozen mango without added sugar is a convenient way to portion it for smoothies.
Carbs in mango by portion
| Portion | Grams | Carbs (g) | Fiber (g) | Net carbs (g) | Protein (g) |
|---|---|---|---|---|---|
| cup pieces | 165 | 25 | 2.6 | 22 | 1.3 |
| fruit without refuse | 336 | 50 | 5.4 | 45 | 2.7 |
| 100 g (for comparing foods) | 100 | 15 | 1.6 | 13 | 0.8 |
Source: USDA FoodData Central, FDC ID 169910 (Mango). Net carbs here means carbohydrate minus fiber. “Net carbs” is not an FDA-defined term, so total carbs are shown too. Values are estimates for a typical item; brands, ripeness and size vary.
Glycemic index and glycemic load
GI ranks how fast a food raises blood glucose compared with pure glucose (100). Low is 55 or less, medium 56 to 69, high 70 or more. Only frozen and processed mango entries are in the tables we use. Glycemic load multiplies the index by the available carbohydrate in a portion (carbs minus fiber), so it reflects how much you actually eat: low is 10 or less, medium 11 to 19, high 20 or more.
Which published values we used (2)
| Entry | Food as listed | GI |
|---|---|---|
| Suppl. Table 2, #2971 | Mango, frozen and thawed | 31 |
| Suppl. Table 2, #2972 | Mango (Magnifera inidica) | 34 |
Atkinson FS et al. International tables of glycemic index and glycemic load values 2021. Am J Clin Nutr 2021;114(5):1625-1632. Glucose reference (glucose = 100); values from studies that used white bread were converted by the authors. Where studies differ we show the range, not an average.
Glycemic index is only one piece of the picture. The same food can give a different response depending on ripeness, cooking, what you eat it with and your own body, so your meter or CGM is the best guide.
How mango fit the plate method
Mango count toward the carbohydrate quarter of the plate in the plate method, along with grains, starchy vegetables, fruit and milk. The CDC describes the plate method as half non-starchy vegetables, a quarter protein and a quarter carbohydrate foods. See the diabetic meal plan guide for how it works, or drop mango onto a meal in the meal planner to watch the plate fill.
Portion ideas and pairings
- Half a small mango or a cup of pieces.
- Share a whole mango.
- Dried mango and mango juice are far more concentrated.
Pairs well with: plain yogurt, lime and chili with a few nuts, cottage cheese.
Related foods
Banana
1 medium: 27 g carbs
Apple
cup, quartered or chopped: 17 g carbs
Strawberries
cup, halves: 12 g carbs
Watermelon
cup, balls: 12 g carbs
See all foods and the low glycemic foods list
Frequently asked questions
Is mango OK for diabetes?
Yes, as part of a measured fruit portion. Pair it with protein if it makes your readings spike.
How many carbs are in a cup of mango pieces?
About 25 g of carbohydrate, of which about 2.6 g is fiber, so roughly 22 g net carbs. Values are from USDA FoodData Central for 165 g and are estimates; brands and sizes vary.
Information only, not medical advice. Your care team may set different targets for you, and only a lab test ordered by a clinician can diagnose diabetes or prediabetes. See our medical disclaimer.
Sources
- USDA FoodData Central: Mango (FDC ID 169910)
- Atkinson FS et al. International tables of glycemic index and glycemic load values 2021. Am J Clin Nutr 2021;114(5):1625-1632
- CDC: Diabetes Meal Planning (plate method and carbohydrate counting)
- ADA Standards of Care in Diabetes—2026, Section 5: Facilitating Positive Health Behaviors
Last reviewed: by the Diabetes Blogs editorial team. Information only, not medical advice.
