Calories and nutrition facts
Lemon
100 g of lemon has 40 calories, 0.7 g protein, 3.2 g carbs and 0.4 g fat. 1 lemon (100 g) has 40 calories.
- Carbs 38 %
- Protein 7 %
- Fat 9 %
- Other 46 %
40
3.2 g
0.7 gThe Health Score from the ClemCam app: 1 to 10, based on the Nutri-Score (2023) per 100 g.
Nutrition facts
| Nutrition facts | per 100 g | 1 lemon (100 g) |
|---|---|---|
| Energy | 40 kcal 167 kJ | 40 kcal 167 kJ |
| Fat | 0.4 g | 0.4 g |
| of which saturated | 0.13 g | 0.13 g |
| Carbohydrates | 3.2 g | 3.2 g |
| of which sugars | 3.2 g | 3.2 g |
| Fibre | 1.3 g | 1.3 g |
| Protein | 0.7 g | 0.7 g |
| Salt | 0.01 g | 0.01 g |
Vitamins
| Nutrition facts | per 100 g | % reference intake |
|---|---|---|
| Vitamin A | 1 µg | 0.1 % |
| Vitamin B1 (thiamin) | 0.05 mg | 4.5 % |
| Vitamin B2 (riboflavin) | 0.02 mg | 1.4 % |
| Niacin (B3) | 0.24 mg | 1.5 % |
| Vitamin B6 | 0.06 mg | 4.3 % |
| Folate | 6.3 µg | 3.2 % |
| Vitamin C | 51 mg | 63 % |
| Vitamin E | 0.73 mg | 6.1 % |
| Vitamin K | 0.2 µg | 0.3 % |
Minerals
| Nutrition facts | per 100 g | % reference intake |
|---|---|---|
| Calcium | 32 mg | 4 % |
| Iron | 0.15 mg | 1.1 % |
| Magnesium | 9 mg | 2.4 % |
| Zinc | 0.1 mg | 1 % |
| Potassium | 204 mg | 10 % |
| Phosphorus | 16 mg | 2.3 % |
| Iodine | 1.6 µg | 1.1 % |
Per 100 g, at least 15% of the reference intake of: Vitamin C.
Adult reference intakes from EU Regulation 1169/2011 (fibre 30 g and salt 6 g as recommended by the DGE). Only values above 0 are shown.
Compared
Other foods in Fruit, per 100 g.
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Questions
How many calories are in 1 lemon (100 g)?
1 lemon (100 g) has 40 calories, with 0.7 g protein, 3.2 g carbs and 0.4 g fat.
How much protein is in lemon?
Lemon has 0.7 g protein per 100 g. That is 7% of its calories.
How many carbs are in lemon?
Lemon has 3.2 g carbs per 100 g, including 3.2 g sugars and 1.3 g fibre.
Source: German Federal Food Code (Bundeslebensmittelschlüssel, BLS) 4.0, Max Rubner Institute (2025), licensed under CC BY 4.0. Values per 100 g edible portion, BLS code F601100. Serving sizes are typical amounts; per-serving values, shares and the Health Score were calculated by ClemCam.