Health

BMI in Pregnancy Calculator

Check your pre-pregnancy BMI and recommended weight gain.

Pre-Pregnancy Weight (kg)

Height (cm)

Current Gestational Week

Pre-Pregnancy BMI—

BMI Category—

Total Recommended Gain—

Expected Gain by Week—

IOM: Underweight 12.5–18 kg | Normal 11.5–16 kg | Overweight 7–11.5 kg | Obese 5–9 kg