According to the conversion formula: 1 kg fat equals 3,500 kcal, 1 kg is 2.2 kg, then 1 kg fat equals 77 16 kcal, and then 30,000 kcal a month equals 7.8 kg. But it consumes energy as well as heat, so it may not be much less. In order to lose weight, you must keep a reasonable diet.

Most of us associate calories with what we eat or drink, such as "This soda contains 200 calories". In fact, the calories listed on food packaging are calories, and the capital letter C is also marked, which is equivalent to the heat required to raise 1 000 grams of water from 14.5 degrees Celsius to 15.5 degrees Celsius at1atmospheric pressure, which is about equal to the internal energy of 4 186 joules.

Extended data:

Calorie consumption activity

1, light physical activity

It consumes about 95 calories per hour on average, including reading, writing, meeting, eating, watching TV or movies, listening to radio, sewing, typing, office work and other jobs and activities that spend more time sitting.

2, light manual labor

It consumes 1 0,20 calories per hour on average, including standing for a long time, such as cooking, cutting vegetables, cleaning tables, washing clothes, ironing clothes, walking slowly, giving lectures, working in the laboratory, typing quickly, selling goods, etc.

3. Moderate manual labor

On average, it consumes about 170 calories per hour, including people who need more arm movements when standing (such as traffic police on duty and band conductor) or people who work while sitting (such as operating heavy machinery and driving tractors), sweeping the floor, sweeping the floor, making beds, painting, washing clothes with washing machine, gardening, walking at medium speed, etc.

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