Fruits · Nutrition facts
🍋Calories in Lemon
A 1 fruit of lemon (58 g) has 17 calories, with 0.6 g protein, 5.2 g carbs and 0.2 g fat.
Calories
17
Protein
0.6 g
Carbs
5.2 g
Fat
0.2 g
Lemon nutrition by serving size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 fruit | 17 | 0.6 g | 5.2 g | 0.2 g |
| 100 g | 29 | 1.1 g | 9 g | 0.3 g |
| 1 oz (28 g) | 8 | 0.3 g | 2.6 g | 0.1 g |
| 1 cup (≈225 g) | 65 | 2.5 g | 20.3 g | 0.7 g |
| 200 g | 58 | 2.2 g | 18 g | 0.6 g |
Values are approximate, rounded from USDA FoodData Central and OpenFoodFacts references. Real plates vary — that's exactly why CalorieScan AI lets you correct any estimate in plain English.
Macro breakdown
- Per 100 g: 29 cal
- Per 1 oz: 8 cal
- Fiber: 2.8 g / 100 g
- Sugar: 2.5 g / 100 g
Frequently asked
How many calories are in lemon?
One 1 fruit of lemon (58 g) has about 17 calories. Per 100 g, lemon has 29 calories.
How much protein is in lemon?
A 1 fruit serving of lemon provides roughly 0.6 g of protein (1.1 g per 100 g).
What are the macros for lemon?
Per 1 fruit: 0.6 g protein, 5.2 g carbs and 0.2 g fat — that's roughly 10% protein, 84% carbs and 6% fat by calories.
How do I log lemon without weighing it?
Take a photo of your plate in CalorieScan AI. The app recognises lemon, estimates the portion, and returns calories and macros in about three seconds — then you can fine-tune it in plain English ("make that two servings").
Stop looking up calories.
Snap a photo of lemon — or any meal — and CalorieScan AI does the math. Free on iPhone.
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