Gestational Weight Gain (GWG) Calculator

Enter height, pre‑pregnancy weight, and gestational week; optionally current weight.

Height (cm):

Pre‑pregnancy weight (kg):

Gestational week:

Current weight (kg) (optional):

Ranges are based on IOM recommendations by pre‑pregnancy BMI. After week 13, use weekly rates.

Individual care may differ—follow your clinician’s advice.