Calories in
lemons, raw, without peel
29 kcal per 100 g Lemons, raw, without peel contains 29 calories per 100 grams, or about 61 calories per cup, sections. Per 100 g it provides 1.1 g protein, 9.3 g carbohydrate and 0.3 g fat.
By calories that splits 84% carbohydrate, 10% protein, 6% fat.
Calories in a typical serving
Per-100 g figures are useful for comparison but nobody eats 100 g of anything on purpose. These are the USDA's own household measures.
| Serving | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup, sections | 212.0 g | 61 | 2.3 g | 19.8 g | 0.6 g |
| 1 fruit (2-1/8" dia) | 58.0 g | 17 | 0.6 g | 5.4 g | 0.2 g |
| 1 fruit (2-3/8" dia) | 84.0 g | 24 | 0.9 g | 7.8 g | 0.3 g |
| 1 wedge or slice (1/8 of one 2-1/8" dia lemon) | 7.0 g | 2 | 0.1 g | 0.7 g | 0.0 g |
Full nutrition, per 100 g and per cup, sections
| Nutrient | Per 100 g | Per cup, sections |
|---|---|---|
| Energy | 29 kcal | 61 kcal |
| Protein | 1.1 g | 2.3 g |
| Total fat | 0.3 g | 0.6 g |
| Saturated fat | 0.0 g | 0.1 g |
| Carbohydrate | 9.3 g | 19.8 g |
| Fibre | 2.8 g | 5.9 g |
| Sugars | 2.5 g | 5.3 g |
| Sodium | 2.0 mg | 4.2 mg |
| Potassium | 138.0 mg | 292.6 mg |
| Calcium | 26.0 mg | 55.1 mg |
| Iron | 0.6 mg | 1.3 mg |
| Vitamin C | 53.0 mg | 112.4 mg |
| Vitamin A | 1.0 µg | 2.1 µg |
| Cholesterol | 0.0 mg | 0.0 mg |
| Water | 89.0 g | 188.6 g |
USDA FoodData Central, SR Legacy (FDC ID 167746). A dash means the nutrient was not measured for this item, which is not the same as zero.
How lemons, raw, without peel compares
Among the 92 fruits and fruit juices items on this site, lemons, raw, without peel ranks 85 of 92 by calorie density, against a category average of 74 kcal per 100 g — so it is about 61% less calorie-dense than typical for its group.
It carries 3.8 g of protein per 100 calories, so it is not a meaningful protein source.
To burn off one cup, sections (61 kcal), a 70 kg adult would walk for roughly 12 minutes — see the walking calculation on our sister site, or pick a different activity. Treat that as a sense of scale rather than a rule: eating and moving are not a simple ledger.
Questions
How many calories are in lemons, raw, without peel?
Lemons, raw, without peel contains 29 calories per 100 g, which works out to about 61 calories per cup, sections. It also provides 1.1 g of protein, 9.3 g of carbohydrate and 0.3 g of fat per 100 g.
What is the macro breakdown of lemons, raw, without peel?
By calories, lemons, raw, without peel is roughly 84% carbohydrate, 10% protein and 6% fat. That makes it a predominantly carbohydrate-based food.
How long does it take to burn off a cup, sections?
About 12 minutes of ordinary walking for a 70 kg adult (MET 4.0). That is a rough guide for scale, not a prescription — appetite and activity interact in ways a simple subtraction does not capture.
Is this figure exact for the lemons, raw, without peel I bought?
No. These are USDA reference values, averaged across samples. Real foods vary with variety, ripeness, growing conditions, cut, brand and how they were cooked — 10–20% either way is normal. Use them for planning, not precision.
Similar foods
Closest in calorie density within fruits and fruit juices.
Source: USDA FoodData Central, SR Legacy — public domain. Full USDA description: "Lemons, raw, without peel". General information only — not medical or nutrition advice. Values are averages for a food type and vary by brand, ripeness and preparation.