There are:170 calories in 50 red or green European type grapes
On average, one grape has about 3 calories, so 20 grapes would be roughly 60 calories.
Depends on the size/weight of your grapes. but if each grape weight 10g, in 50 grams there would be 30 calories
There are about 3½ calories in 1 red or green seedless grape ; so for 30 grapes,30 x 3½ = 105 calories
700 calories are in 1KG of grapes
1 cup of concord grapes = approx. 60 calories.
* There are approximately 3½ calories per medium size seedless grape. * For example, there would be approximately 36 calories (and 9 carbohydrates) in 10 medium seedless grapes. For information about the calorie (and carbohydrate) content of other fruits, see the related question, further down this page, listed under Related Questions.
100 calories.
Calories in 10 green grapesThere are:Approx 34 calories in 10 seedless green grapes.
Calories in 15 green grapesThere are:Approx 53 calories in 15 seedless green grapes.
First take the weight in pounds and multiply it by 453.59. The resulting number is the weight in grams. In this case the answer is 453.59 grams of green seedless grapes.
1 grape is roughly 3 calories, so 8 grapes would be about 24 calories total.