Pregnancy Weight Gain Calculator

Free pregnancy weight gain calculator. Find healthy weight gain based on BMI and week of pregnancy. IOM guidelines for singleton, twins, and triplets.

Pre-Pregnancy Weight (lbs)

lbs

Current Weight (lbs)

lbs

Height (in)

Current Week of Pregnancy

Number of Babies

🔒 Fast, free math calculators that run in your browser. No uploads, 100% private.