Calories in Lemon, raw
Generic food Raw Fruits
Lemon, raw contains 29 kcal per 100 g. A typical serving of 1 slice or wedge (8 g) provides about 2 kcal.
Roughly 84% of its calories come from carbohydrates, with 10% from protein and 6% from fat (estimated with general energy factors).
That is less energy than the typical item in citrus fruits on FoodFactly, where the median is 44 kcal per 100 g across 10 foods.
100 g provides 59% of the Daily Value for Vitamin C.
The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 29 kcal | |
| Total fat C | 0.3 g | 0.4% |
| Saturated fat C | 0.039 g | 0.2% |
| Cholesterol C | 0 mg | 0% |
| Sodium C | 2 mg | 0.1% |
| Total carbohydrates C | 9.3 g | 3% |
| Dietary fiber C | 2.8 g | 10% |
| Total sugars C | 2.5 g | |
| Protein C | 1.1 g | 2% |
| Vitamin A C | 1 µg | 0.1% |
| Vitamin C C | 53 mg | 59% |
| Vitamin D C | 0 µg | 0% |
| Vitamin E C | 0.15 mg | 1% |
| Vitamin K C | 0 µg | 0% |
| Thiamin (B1) C | 0.04 mg | 3% |
| Riboflavin (B2) C | 0.02 mg | 2% |
| Niacin (B3) C | 0.1 mg | 0.6% |
| Vitamin B6 C | 0.08 mg | 5% |
| Folate (B9) C | 11 µg | 3% |
| Vitamin B12 C | 0 µg | 0% |
| Choline C | 5.1 mg | 0.9% |
| Calcium C | 26 mg | 2% |
| Iron C | 0.6 mg | 3% |
| Magnesium C | 8 mg | 2% |
| Phosphorus C | 16 mg | 1% |
| Potassium C | 138 mg | 3% |
| Zinc C | 0.06 mg | 0.5% |
| Copper C | 0.037 mg | 4% |
| Selenium C | 0.4 µg | 0.7% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 10%
- Carbohydrates 84%
- Fat 6%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein1.1 gin the top quarter of citrus fruits (median 0.74 g)
- Fiber2.8 gin the top quarter of citrus fruits (median 1.7 g)
- Sugars2.5 gin the lowest quarter of citrus fruits (median 8.9 g)
- Fat0.3 gin the top quarter of citrus fruits (median 0.14 g)
- Saturated fat0.039 gin the top quarter of citrus fruits (median 0.018 g)
- Protein per 100 kcal3.8 gprotein density, useful for comparing foods with different calorie levels
- Water89 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat C | 0.011 g |
|---|---|
| Polyunsaturated fat C | 0.089 g |
Individual fatty acids (19)
| EPA (omega-3, 20:5 n-3) C | 0 g |
|---|---|
| DHA (omega-3, 22:6 n-3) C | 0 g |
| Linoleic acid (omega-6, 18:2) C | 0.063 g |
| SFA 4:0 C | 0 g |
| SFA 6:0 C | 0 g |
| SFA 8:0 C | 0 g |
| SFA 10:0 C | 0 g |
| SFA 12:0 C | 0 g |
| SFA 14:0 C | 0.001 g |
| SFA 16:0 C | 0.035 g |
| SFA 18:0 C | 0.002 g |
| MUFA 18:1 C | 0.01 g |
| PUFA 18:3 C | 0.026 g |
| PUFA 20:4 C | 0 g |
| MUFA 16:1 C | 0.001 g |
| PUFA 18:4 C | 0 g |
| MUFA 20:1 C | 0 g |
| MUFA 22:1 C | 0 g |
| PUFA 22:5 n-3 (DPA) C | 0 g |
Carotenoids (6)
| Beta-carotene C | 3 µg |
|---|---|
| Lycopene C | 0 µg |
| Lutein + zeaxanthin C | 11 µg |
| Retinol C | 0 µg |
| Carotene, alpha C | 1 µg |
| Cryptoxanthin, beta C | 20 µg |
Other components (8)
| Water C | 89 g |
|---|---|
| Alcohol C | 0 g |
| Caffeine C | 0 mg |
| Theobromine C | 0 mg |
| Folic acid C | 0 µg |
| Folate, food C | 11 µg |
| Vitamin E, added C | 0 mg |
| Vitamin B-12, added C | 0 µg |
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Lemon, raw, without peel Raw | 29 | 1.1 g | 9.3 g | 0.3 g |
| Cranberries, raw Raw | 46 | 0.46 g | 12 g | 0.13 g |
| Strawberries, raw Raw | 32 | 0.67 g | 7.7 g | 0.3 g |
| Limes, raw Raw | 30 | 0.7 g | 10.5 g | 0.2 g |
| Lime, raw Raw | 30 | 0.7 g | 10.5 g | 0.2 g |
| Carambola, (starfruit), raw Raw | 31 | 1 g | 6.7 g | 0.33 g |
| Starfruit, raw Raw | 31 | 1 g | 6.7 g | 0.33 g |
| Prickly pears, raw Raw | 41 | 0.73 g | 9.6 g | 0.51 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in raw lemon?
100 g of raw lemon has 29 kcal. 1 slice or wedge (8 g): about 2 kcal. 1 fruit (65 g): about 19 kcal. 1 cup (200 g): about 58 kcal.
How much protein is in raw lemon?
Raw lemon contains 1.1 g of protein per 100 g (2% of the 50 g Daily Value), or 0.088 g in 1 slice or wedge (8 g). About 10% of its calories come from protein. Compared with other citrus fruits, that is among the highest quarter (median 0.74 g).
How many carbs are in raw lemon?
Raw lemon has 9.3 g of total carbohydrates per 100 g, including 2.8 g of fiber and 2.5 g of sugars.
How much fat is in raw lemon?
Raw lemon contains 0.3 g of fat per 100 g, of which 0.039 g is saturated (0.2% of the Daily Value).
What vitamins and minerals does raw lemon contain?
Per 100 g, the most notable amounts relative to the Daily Value are Vitamin C (59% DV). The full list is in the vitamins and minerals table above.
How much sodium is in raw lemon?
100 g contains 2 mg of sodium, 0.1% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: FNDDS (Survey), record 2709168. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.