Track your recommended weight gain during pregnancy based on your BMI.
This calculator estimates recommended weight gain during pregnancy based on your pre-pregnancy BMI, following guidelines from the Institute of Medicine. Enter your height and pre-pregnancy weight to calculate your BMI and get personalized recommendations.
Enter your height and pre-pregnancy weight above to get started.
Healthy weight gain during pregnancy is important for your baby's development. The recommended amount depends on your pre-pregnancy BMI (Body Mass Index).
Generally, it is recommended that pregnant women gain only 0.5-2 kg (1-4 lbs) during the first trimester, and about 0.4 kg (0.9 lb) per week during the remainder of the pregnancy for women with normal BMI.
The Institute of Medicine provides weight gain guidelines based on pre-pregnancy BMI. Women who are underweight should gain 12.5-18 kg (28-40 lbs), normal weight women should gain 11.5-16 kg (25-35 lbs), overweight women should gain 7-11.5 kg (15-25 lbs), and women with obesity should gain 5-9 kg (11-20 lbs).
Remember that these are general guidelines. Your healthcare provider may recommend a different weight gain goal based on your specific health situation.