Pregnancy Weight Gain Calculator

This calculator estimates a healthy weight gain range during pregnancy based on the Institute of Medicine (IOM) guidelines. Choose between metric or imperial units.

Choose Units: Imperial (lbs, ft/in) Metric (kg, cm)

Current Pregnancy Week: Pregnant with Twins? No Yes Height: (ft and in) Pre-Pregnancy Weight (lbs): Current Weight (lbs):

Current Pregnancy Week: Pregnant with Twins? No Yes Height (cm): Pre-Pregnancy Weight (kg): Current Weight (kg):