1, generally speaking, men need about 1600 calories a day, while women need about 1200 calories. If the daily intake of 1000 calories is reduced, it will take 9 days to reduce the weight of 1 kg. Therefore, if you want to lose weight, you must step by step under the condition of ensuring normal daily demand.
2, a kilo is 7700 calories, and a kilo is 3850 calories. Each gram of fat will produce 9 calories, so if you want to reduce 1 kg of fat, from a medical point of view, you must consume 7700 calories, if you reduce 500 calories a day.
3, Calorie, abbreviated as card, abbreviated as cal, transliterated from English. It is defined as the heat required to raise 1 gram of water to 1 degree Celsius at 1 atmospheric pressure; Calorie is a kind of heat unit, which is widely used in nutrition measurement and fitness manuals. The international standard energy unit is joule.
4. As the legal unit of food calories, joules are widely used in Europe, while calories are used in the United States. Although Joule is the legal unit in China, calories are still widely used in Chinese mainland and Taiwan Province due to its tradition.