How much sugar is in apple?
Apple has 18.9 g of sugar per 1 medium (182 g) — about 4.5 teaspoons. That's 10.4 g per 100 g, and it's all naturally occurring — whole apple has no added sugar.
USDA FoodData Central · raw, with skin · FDC 171688
Sugar by portion
| Portion | Sugar | ≈ teaspoons | Total carbs | Calories |
|---|---|---|---|---|
| 1 medium (182 g) | 18.9 g | 4.5 tsp | 25.1 g | 95 |
| 100 g | 10.4 g | 2.5 tsp | 13.8 g | 52 |
| 1 oz (28 g) | 2.9 g | 0.7 tsp | 3.9 g | 15 |
Teaspoon figure converts grams of sugar at ~4.2 g per level teaspoon, for scale only. This is the total sugar naturally present — whole apple carries no added sugar. Values from USDA per-100 g data (FDC 171688, SR Legacy). raw, with skin.
A medium apple with skin has about 18.9 g of sugar — roughly 4.5 teaspoons — in a 182 g fruit, or 10.4 g per 100 g. So “an apple a day” is really about 19 g of natural sugar a day, which surprises people. But two things reframe that number: every gram is naturally occurring sugar with no added sugar in a whole apple, and the apple brings about 4.4 g of fiber plus its skin to slow the whole thing down.
Natural sugar, not added sugar
The 18.9 g in an apple is not the same as 18.9 g from a sugar packet, and the apple’s fiber is the reason. Much of that fiber is pectin, a soluble fiber linked to steadier digestion, and a good share of the apple’s antioxidants and vitamin C sit in the skin — which is exactly why eating it unpeeled matters. Fiber, water and skin mean the sugar arrives slowly, packaged as whole fruit. That’s the core difference from the added sugar in candy, soda, or sweetened applesauce: added sugar is the kind dietary guidance tells you to limit, and a whole apple simply doesn’t have any. The clearest illustration is apple juice — same fruit, but juicing removes the fiber and skin, so a glass delivers similar sugar with nothing to slow it and is far easier to overdo than chewing through two or three whole apples.
Is ~19 g a lot?
By raw grams, an apple sits on the higher-sugar end of fruit — but it’s widely treated as one of the most sensible snacks there is, and the fiber is why. A single medium apple at ~18.9 g of sugar and about 95 calories, with ~4.4 g of fiber and real chew, fills you up and satisfies a sweet craving for not many calories. People watching blood sugar or weight generally eat whole apples comfortably, sometimes pairing them with a protein or nut butter to slow things further; that’s ordinary practice, not cause for worry. Whole-fruit sugar and juice are different animals, and the whole fruit is the friendly one. None of this is medical advice — for diabetes or weight targets, your own clinician or dietitian can set the right numbers for you.
So eat the apple, skin and all, for the fiber-rich, naturally sweet snack it is — and save the caution for juice and sweetened apple products. For the rest of the nutrition picture, see protein in apple, and on anything packaged always read the label’s own sugar and added-sugar lines.
Frequently Asked Questions
How much sugar is in an apple?
About 18.9 g of sugar in one medium apple with skin (182 g), which is 10.4 g per 100 g (USDA FDC 171688). That whole apple is roughly 95 calories and 25.1 g of total carbohydrate, with about 4.4 g of fiber to slow it down.
How many teaspoons of sugar is that?
Roughly 4.5 teaspoons. We convert the 18.9 g of sugar in a medium apple at about 4.2 g per level teaspoon, just to make the amount easy to picture. It's a mental scale, not a sign sugar was added — apples grow with their sugar inside.
Is the sugar in an apple natural or added?
All natural. A whole apple has zero added sugar — every gram is the fruit's own, packaged with fiber, water, vitamin C and antioxidants in the skin. That's a different thing from the added sugar in apple juice, applesauce cups or candy, which is the kind guidance tells you to limit. A whole apple has no added-sugar line.
Is an apple too much sugar if I'm watching blood sugar or weight?
An apple is on the higher-sugar side of fruit at about 18.9 g, but its roughly 4.4 g of fiber — much of it pectin — slows digestion, and the skin matters here. Whole apples are widely considered a sensible snack; whole-fruit sugar behaves very differently from juice. Many people watching blood sugar or weight eat them comfortably, sometimes with a protein or nut butter. This is general information, not medical advice — your clinician or dietitian can set your numbers.
Does apple juice have the same sugar as a whole apple?
Roughly the gram count, but it behaves completely differently. Juicing strips out the fiber and the skin, so apple juice delivers a similar amount of sugar with little to slow it down — and it's easy to drink several apples' worth in one glass. A whole apple makes you chew, fills you up, and brings about 4.4 g of fiber the juice leaves behind.
When was this data last verified?
2026-06-04, against USDA FoodData Central FDC 171688 (Apples, raw, with skin; 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.