How many carbs are in orange?

An orange is the fruit people reach for as a vitamin-C hit, but it’s also a tidy dose of carbohydrate. One medium orange (131 g) carries about 15 g of total carbs, of which roughly 12 g is sugar, at 11.8 g of carbs per 100 g. There’s almost no fat and only ~1 g of protein, so an orange is essentially natural sugar, fiber and micronutrients. When you ask “how many carbs in an orange,” the answer is moderate for a fruit — lighter than a banana, in the same range as a small apple.

Net carbs and where an orange lands on low-carb

For keto, low-carb and blood-sugar tracking, the figure that matters is net carbs — total carbs minus fiber. An orange has about 3 g of fiber, so it nets out near 12 g net carbs per medium fruit. That’s notably lower than a banana (~24 g) or an apple (~21 g), which makes an orange one of the more forgiving common fruits. It’s still not a true keto food — 12 g would claim a real slice of a 20–50 g daily budget — but on a moderate low-carb plan, a single orange can fit if you count it.

Natural sugar, and why the whole fruit beats juice

The distinction worth keeping straight: the ~12 g of sugar in an orange is intrinsic fruit sugar, not added sugar. It arrives with fiber, vitamin C and other nutrients, and that whole-food package gives a fresh orange a moderate glycemic load instead of a sharp spike. The contrast with orange juice is stark — juicing removes the fiber and concentrates the sugar, so a glass can carry the sugar of two or three oranges with none of the fiber to slow it down, hitting blood sugar much faster. The practical rule is simple: eat the segments, not the glass. An orange isn’t a “bad” food at all; it’s a vitamin-C-rich fruit that’s best counted as a real carb on a tight plan.

If you want the other side of the label, see protein in orange — and for packaged orange products (juice, cups, dried), always read the label’s own carb and added-sugar lines, since they can diverge sharply from the fresh fruit.