my son birth weight is 2.540 kg. now he is 1 year old and his weight is 9.100 kg ..that 's fine weight mam plz reply

A. Usually it should be three times of the birth weight or 10 kg whatever is on the higher side but with what you are mentioning despite of a low birth weight your child has gained well enough weight as of now rest to definitely have scope and time to increase the weight of your child