The total daily calorie intake of human body is about 1, 800-2,000 kcal, while walking 1, 000 steps can consume about 240-300 kcal, which is equivalent to 1/7 of the total daily calorie intake of human body. So we know that walking 30 thousand steps can consume about 720-900 calories, but because of the difference in height and weight of everyone,

Calories, abbreviated as card and cal, are 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 calorie unit, which is widely used in nutrition measurement and fitness manual. The international standard unit of energy is joule.

Adults need at least 1500 ~ 2000 calories every day to maintain their body functions. Even if they lie still, the body still needs energy to maintain body temperature, cardiopulmonary function and brain operation. Basal metabolic consumption varies with individual height, weight, age and gender.