Pregnancy Weight Gain Calculator

Pregnancy Weight Gain Calculator

See the general recommended total weight-gain range for your pregnancy, based on Institute of Medicine (IOM) guidance and your pre-pregnancy BMI.

These ranges follow general IOM guidance and are for information only — not medical advice. Healthy weight gain varies for every pregnancy. Always follow the guidance of your own healthcare provider.
Comfort in pregnancy: shop pregnancy pillows, maternity support & postpartum care — free shipping across Canada.
More free tools:Due DateOvulationWeight GainSleep ScheduleFormulaDiaper SizeBaby Cost (CA)Name Generator

Recommended weight gain by BMI

The IOM suggests: underweight (BMI under 18.5) 12.5–18 kg; healthy weight (18.5–24.9) 11.5–16 kg; overweight (25–29.9) 7–11.5 kg; obese (30+) 5–9 kg. Twins have higher ranges. Your provider may advise differently based on your health.