Baby Weight Calculator
Check estimated baby weight by pregnancy week.
Estimated baby weight by pregnancy week
This calculator shows the average fetal weight by gestational week, based on WHO growth charts and perinatal studies.
Baby weight depends on multiple factors: genetics, maternal nutrition, overall health, and whether it's a single or multiple pregnancy.
Regular fetal weight monitoring through ultrasound is essential for detecting potential growth issues early.
Frequently asked questions
Is the weight shown exact?
These are average values based on medical studies. Actual weight varies based on genetics, nutrition, and other factors.
How much should a baby weigh at birth?
Normal birth weight is between 2.5 and 4 kg (5.5-8.8 lbs). Babies outside this range may need special care.
What affects baby weight?
Genetics, maternal nutrition, mother's health, number of previous pregnancies, and multiple pregnancies.