| CHOCOLATE | V | CRISPS |
| 240kcal | ENERGY PER BAR/PACKET | 169kcal |
| 530kcal | ENERGY PER 100g | 520kcal |
| 56g | SUGAR PER 100g | 2.6g |
| 18.5g | SATURATED FAT PER 100g | 2.5g |
| 0.23g | SALT PER 100g | 1.22g |
Both snacks have roughly the same number of calories by weight, but the calories in milk chocolate come from sugar and saturated fat, whereas crisps are mainly starch and monounsaturated fat. A packet of crisps also weighs less than even a small bar of Dairy Milk. Apart from the salt, crisps are a bit healthier than chocolate.
Read more:
Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.
Authors
Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.
