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How Many Calories in Orange?

Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by our editorial team. Last reviewed: 5 September 2026.

Fact-checked against original USDA source data by our editorial team.

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47
calories per 100g
85 calories per 1 medium orange (180g)
0.9gProtein
11.8gCarbs
0.1gFat
2.4gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)13 kcal0.3g
100g47 kcal0.9g
1 medium orange85 kcal1.6g
grams
47kcal
0.9gprotein
11.8gcarbs
0.1gfat
2.4gfibre

A orange contains 47 calories per 100g. A typical 1 medium orange (180g) provides about 85 calories. Orange is low in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Orange Nutrition Facts

NutrientPer 100gPer serving (180g)
Calories47 kcal85 kcal
Protein0.9g1.6g
Carbohydrates11.8g21.2g
of which Sugars9.3g16.7g
Fat0.1g0.2g
of which Saturates0.0g0.0g
Fibre2.4g4.3g
Sodium0.0mg0mg
Potassium181.0mg326mg
Calcium40.0mg72mg
Iron0.1mg0.2mg
Vitamin C53.2mg95.8mg
Vitamin A11.0µg20µg
Selenium0.5µg1µg
Riboflavin (B2)0.0mg0.0mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

Useful for tracking orange

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Have a cat or dog? Check whether orange is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out orange for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Ripeness affects sugar content — a very ripe piece of fruit can carry noticeably more natural sugar than an under-ripe one of the same size.

Does orange fit your diet?

Weight management

At 47 calories per 100g, orange is calorie-light relative to its volume, which can help keep a meal within a calorie target without needing very small portions.

Frequently Asked Questions

How many calories in orange per 100g?

Orange contains 47 calories per 100g, based on USDA reference data.

Is orange high in calories?

A 1 medium orange of orange (180g) has around 85 calories — roughly 4% of a 2,000-calorie daily intake.

Is orange good for weight loss?

At 47 calories per 100g, orange is relatively low in calories and can fit well into a weight-loss diet. A 1 medium orange provides about 85 calories.

How much protein is in orange?

Orange contains 0.9g of protein per 100g.

Is orange a good source of fibre?

Orange is relatively low in fibre at 2.4g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does orange compare to apples, frozen, unsweetened, heated?

Orange has 47 calories per 100g, close to apples, frozen, unsweetened, heated at 47 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of orange for 20g of protein?

With 0.9g of protein per 100g, you'd need roughly 2222g of orange to reach 20g of protein

Foods with a similar calorie count

Other fruits closest to orange by calories per 100g:

FoodCaloriesProteinCarbsFat
Orange (this page)47 kcal0.9g11.8g0.1g
Apples, Frozen, Unsweetened, Heated47 kcal0.3g12.0g0.3g
Lemon Peel, Raw47 kcal1.5g16.0g0.3g
Loquats, Raw47 kcal0.4g12.1g0.2g
Pears, Canned, Extra Light Syrup Pack, Solids and Liquids47 kcal0.3g12.2g0.1g
Clementines, Raw47 kcal0.8g12.0g0.1g
Apples, Raw, without Skin48 kcal0.3g12.8g0.1g

More kit for orange tracking

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Last updated:

Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.