Does Lemon Have Calories or Carbs? The Truth About This Zesty Fruit
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, a single medium-sized lemon contains approximately 24 calories and 7.8 grams of carbohydrates. This confirms that yes, a lemon does have both calories and carbs, but in very small, concentrated amounts.