fruitsUSDA FDC ID: 167746(Citrus limon)
Lemon Calories & Nutrition Facts
Quick Answer: A standard 1 whole fruit (58g) of lemon contains 17 calories. Per 100 grams, lemon provides 29 kcal, 1.1g protein, 9.3g carbohydrates, and 0.3g fat based on verified USDA FoodData Central records.
Sour citrus fruit rich in citric acid and vitamin C. Negligible calories with potent flavor enhancement. Use the interactive portion selector below to calculate exact calories and macronutrients for small, medium, large, or custom gram portions.
Interactive Portion Selector
Calculate Nutrition by Serving Size
grams
Calories
29kcal
per 100 grams (100g)Protein
1.1g
15% of energyCarbohydrates
9.3g
128% of energyTotal Fat
0.3g
9% of energyServing: 100 grams (100 grams)
Comprehensive Nutrition Facts (Per 100g)
Standard laboratory basis: 100 grams edible portion
Calories29 kcal
Total Fat0.3 g
Sodium2 mg
Potassium138 mg
Total Carbohydrate9.3 g
Dietary Fiber2.8 g
Total Sugars2.5 g
Protein1.1 g
Preparation & Cooking Variations
How different cooking methods affect caloric density and moisture content per 100g
| Preparation Method | Calories / 100g | Protein | Carbs | Fat | Nutritional Impact |
|---|---|---|---|---|---|
| Fresh Raw | 29 kcal | 1.1g | 9.3g | 0.3g | Whole pulp |
| Squeezed Juice | 22 kcal | 0.4g | 6.9g | 0.2g | Filtered juice without solids |
Nutritional Comparison with Similar Foods
Direct evidence-based comparisons derived from verified database records
Lemon vs Orange
View Orange →Lemons have less than a third of the sugar found in oranges (2.5g vs 9.4g per 100g).
Verified Nutrition Data•Source: USDA FoodData Central(ID: 167746)