27 kcal P 2.85g C 2.41g F 0.62g
🍎 Fruits and Fruit Juices
Calories in Oranges
Named after a color it didn't always have — wild citrus ancestors were green
47 kcal
What makes oranges so powerful?
Modern sweet oranges are actually a hybrid, likely originating from a cross between pomelo and mandarin centuries ago in Southeast Asia, so there's no truly "wild" sweet orange. Orange peels turning fully orange isn't strictly about ripeness either: oranges grown in consistently warm tropical climates often stay partly green even when perfectly ripe and sweet inside, because the color change is triggered by cooler nighttime temperatures breaking down chlorophyll in the skin. Oranges are best known for vitamin C, but a medium orange's fiber content, mostly pectin, is also notable and is mostly lost when you drink juice instead of eating the fruit.
A hybrid, not a wild fruit
Sweet oranges descend from an ancient pomelo-mandarin cross, with no true wild ancestor.
Color is climate-triggered
Ripe oranges can stay green in warm climates; the color change needs cooler nights, not just ripeness.
Juice loses the fiber
Most of an orange's fiber (pectin) stays behind when you juice it instead of eating it whole.
💡 When & how to use it
Eat the whole fruit rather than just drinking juice when possible — you keep the fiber, which slows the sugar absorption that juice delivers all at once. Pair with iron-rich plant foods like spinach or lentils specifically to boost iron absorption from those foods.
Calories by Serving Size
100g
47 kcal
P 0.91g C 11.8g F 0.15g
1 cup (165g)
78 kcal
P 1.5g C 19.5g F 0.2g
200g
94 kcal
P 1.8g C 23.6g F 0.3g
50g
24 kcal
P 0.5g C 5.9g F 0.1g
Full Nutrition Facts
Per 100g — daily values based on a 2,000 calorie diet
Nutrition Facts
Serving size: 100g
Calories 47
% Daily Value*
Total Fat 0.15g 0%
Sodium 9mg 0%
Total Carbohydrate 11.8g 4%
Dietary Fiber 2g 7%
Protein 0.91g 2%
Vitamin C 59.1mg 66%
Calcium 43mg 3%
Iron 0.33mg 2%
Potassium 166mg 4%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
How does Oranges fit your daily goals?
9 min
Walking to burn 47 kcal
2%
of 2,000 kcal daily goal
0.91g
protein (2% of daily 50g)
43
servings until 2,000 kcal
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Frequently Asked Questions
How many calories are in Oranges?
Oranges contains 47 calories per 100g. A standard serving of 1 cup (165g) provides 78 calories. It is considered a very low-calorie food (under 50 kcal/100g), making it excellent for weight management.
How much protein does Oranges have?
Oranges provides 0.91g of protein per 100g, which is 2% of the 50g daily recommended value. It is not a primary protein source.
How many carbs are in Oranges?
Oranges contains 11.8g of carbohydrates per 100g . It also provides 2g of dietary fiber.
Is Oranges good for weight loss?
Yes! Oranges is very low in calories (47 kcal/100g) and can be eaten in generous portions even on a calorie-restricted diet.
How do I track Oranges calories accurately?
The easiest way to track oranges is with CalRay. Simply snap a photo of your meal and the AI will automatically identify the food and calculate calories and macros based on the estimated portion size — no manual lookup required. You can also search by name and adjust gram weight manually.
Compare Oranges
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360 kcal P 23.6g C 62.2g F 1.92g
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