How many calories do you need to burn in a day to lose weight

During weight loss, it is recommended to reduce daily calorie intake by 500-1000 calories, and the specific value should be calculated based on basal metabolic rate and activity level. Adult women typically consume a total of 1800-2400 calories per day, while men consume 2200-3000 calories per day. Weight loss requires creating a calorie deficit. For mildly active individuals, it is recommended to consume 1200-1500 calories per day, which can be increased by 200-300 calories when combined with exercise. The basal metabolic rate accounts for 60-70% of the total daily consumption, which can be estimated by the formula: weight x 21.6+basal value for females, and weight x 24+basal value for males. Moderate intensity aerobic exercise such as brisk walking consumes 200-300 calories per hour, while high-intensity interval training can reach 400-600 calories per hour. Dietary control should prioritize reducing refined carbohydrates and saturated fats, ensuring a daily protein intake of 1.2-1.6 grams per kilogram of body weight, and dietary fiber of no less than 25 grams. It is recommended to control the rate of weight loss at 0.5-1 kilogram per week, as excessive dieting may lead to muscle loss and a decrease in metabolic rate. During weight loss, it is necessary to maintain a diversified diet, supplement with appropriate amounts of multivitamins, and avoid long-term single diet. It is recommended to engage in 150 minutes of moderate intensity aerobic exercise combined with 2-3 resistance training sessions per week, and pay attention to replenishing water and electrolytes before and after exercise. Regularly monitoring changes in body fat percentage is more meaningful than simply focusing on weight. During the plateau period, exercise patterns and calorie intake ratios can be adjusted. If discomfort symptoms such as dizziness and fatigue occur, adjust the weight loss plan in a timely manner and consult a nutritionist if necessary.