How much sugar is in mango?
Mango has 22.6 g of sugar per 1 cup sliced (165 g) — about 5.4 teaspoons. That's 13.7 g per 100 g, and it's all naturally occurring — whole mango has no added sugar.
USDA FoodData Central · raw · FDC 169910
Sugar by portion
| Portion | Sugar | ≈ teaspoons | Total carbs | Calories |
|---|---|---|---|---|
| 1 cup sliced (165 g) | 22.6 g | 5.4 tsp | 24.8 g | 99 |
| 100 g | 13.7 g | 3.3 tsp | 15 g | 60 |
| 1 oz (28 g) | 3.9 g | 0.9 tsp | 4.3 g | 17 |
Teaspoon figure converts grams of sugar at ~4.2 g per level teaspoon, for scale only. This is the total sugar naturally present — whole mango carries no added sugar. Values from USDA per-100 g data (FDC 169910, SR Legacy). raw.
A cup of sliced mango carries about 22.6 g of sugar — roughly 5.4 teaspoons — which is why mango has a reputation as one of the sweeter, higher-sugar tropical fruits. At 13.7 g per 100 g it’s genuinely sugar-dense. But the headline number deserves context: it’s all naturally occurring fruit sugar, with no added sugar at all, and it shows up alongside fiber, water and a real hit of vitamins.
Natural sugar, not added sugar
Fresh mango’s sweetness is the fruit’s own sugars, and crucially they arrive packaged — a cup brings about 2.6 g of fiber, a lot of water, and standout amounts of vitamin C and vitamin A (mango is one of the better fruit sources of both). That bundling is what separates whole fruit from a spoonful of sugar: the fiber and water slow things down and help the fruit feel filling, so the sugar doesn’t hit the way a sugary drink does. “Added sugar” is sugar introduced during processing, and fresh mango has none. Watch the form, though — dried mango and mango canned in syrup frequently have sugar added on top, so those belong in the “check the label” category rather than the whole-fruit one.
Is that too much sugar?
Mango is a nutritious, naturally sweet fruit, and for most people there’s no reason to avoid it. The honest caveat is that portion is the whole game here: a measured cup is moderate, but a whole mango pushes closer to 45 g of sugar — about 11 teaspoons — and a whole fruit is easy to finish in one go. So the move isn’t to fear mango, it’s to portion it on purpose and, if you like, pair it with protein or yogurt to round out the snack. For anyone tracking carbs on keto or managing blood sugar, mango is one to enjoy in deliberate portions rather than freehand; your own response is individual, so follow your own plan.
Want the rest of the breakdown? See protein in mango for the full macro picture — and keep in mind that with fresh fruit there’s no added sugar to worry about; that scrutiny is best saved for packaged and dried products.
Frequently Asked Questions
How much sugar is in a cup of mango?
About 22.6 g of sugar in a 1-cup sliced serving (165 g), which is 13.7 g per 100 g (USDA FDC 169910). Mango is famously sweet and sits high among tropical fruits, but every gram is natural fruit sugar, not added sugar.
How many teaspoons of sugar is that?
Roughly 5.4 teaspoons per cup, converting at about 4.2 g of sugar per level teaspoon. That figure is a scale reference only — mango's sugar comes inside the whole fruit with fiber, water and vitamins, not measured out like table sugar.
Is the sugar in mango natural or added?
It's all naturally occurring. Fresh mango has no added sugar whatsoever — the sweetness is the fruit's own sugars, bundled with about 2.6 g of fiber per cup, plenty of water, and a strong dose of vitamin C and vitamin A. Dried or canned-in-syrup mango is a different story, since those often have sugar added; check the label.
Is mango bad for you or okay for diabetics?
Mango isn't bad for you — it's whole fruit with fiber and vitamins and no added sugar. It is high in sugar for a fruit, so portion is the lever: a measured cup is very different from eating a whole mango (closer to 45 g of sugar). Many people managing blood sugar enjoy mango in controlled portions, often paired with protein; individual responses vary, so go by your own plan and clinician.
How much sugar is in a whole mango?
A whole medium mango is roughly twice a cup of slices, so on the order of 45 g of sugar — about 11 teaspoons. That's why portion is the real story with mango: the per-cup number is moderate, but it's easy to eat a whole fruit in one sitting and double it.
When was this data last verified?
2026-06-04, against USDA FoodData Central FDC 169910 (Mangos, raw; SR Legacy). We re-verify reference pages periodically and update when the underlying USDA entry changes.
Whole-food values are USDA reference data, not a Labelgrade (that score is for branded packaged products, where we penalize added sugar). See our methodology and the added-sugar calculator.