500 calories "A bag of potato chips is about 500 calories. Every 100g of potato chips contains 400-5400 calories, and a piece of barbecue-flavored potato chips is about 3g. It contains 14 calories, which requires us to walk for about10 minutes to consume, while the heat of a bowl of 150g rice is only/kloc. The weight of a bag of potato chips is about100g, and it contains more than 500 calories. When ingested, these calories are easily converted into fat.