You want to find out how many calories in Onions. This is the right place!
Onions has 58 kilocalories on average, with as low as 19 kilocalories and as high as 349 kilocalories per 100 grams.
You can spend these 58 kilocalories: practicing archery for 17 minutes!
While wondering how many calories in Onions is fine, regular excercise and a balanced diet are habits that build a healthy life, and low calorie intake cannot substitute that.
Start caring about your health: Find about your ideal weight but stay away from diets that promise great weight loss in a short amount of time.
Data source: the credible USDA National Nutrient Database for Standard Reference.