Question: how many calories a day to lose 1 kg a week?
Answer: STEP-2: Eat 1,000 less calories than your 'daily calorie burning' to lose 1 kg per week. » Men should not eat less than 1,600 calories a day and women should not eat less than 1,200, without medical supervision. » The ideal rate of weight loss should not be more than 0.9 to 1 kg per week.