Trimester by trimester

Pregnancy Weight Calculator

Track healthy gain against the Institute of Medicine guidelines.

Your details
Auto-filled from your LMP.
Your results
Your gain so far Expected by this week

Expected cumulative gain by week

WeekTrimesterExpected total gain

This tool offers general estimates based on Institute of Medicine (IOM) ranges and is not medical advice. Healthy weight gain varies by individual. Always discuss your pregnancy with your doctor or midwife.