6.5 calories in half of one small size lemon without the peel
8.5 calories in half of one medium size lemon without the peel
12 calories in half of one large size lemon without the peel
WITH PEEL
9 calories in half of one small lemon including the peel
11 calories in half of one medium size lemon including the peel
14-15 calories in half of one large size lemon including the peel
For freeFruit and Vegetable Calorie Chartsgiving you the calorie (and carbohydrate) counts of other fruits and vegetables, to use as daily guides for weight loss, weight maintenance, or weight gain, see the page links given below.