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About fitness and heat conversion
The 300 displayed on the treadmill should be 300 calories, 100 calories = 418.55438+0821kj.

Generally speaking, adults need at least 65,438+0,500 calories a day to maintain their body function, because even if you lie still, your body still needs to be able to maintain body temperature, cardiopulmonary function and brain operation. Basal metabolic consumption varies with individual height, weight, age and gender.

If we want to achieve the goal of reducing fat, it is to reduce energy intake and increase energy consumption while maintaining the normal operation of the body. You will naturally consume fat.