well you should weigh at least 80 to 100 pounds
A boy that is 4 foot 9 inch should weigh between 30 to 40 kilograms. This is the ideal weight but it varies in most cases.
100-115
152 pounds
125 lbs
about 75-86 pounds
About 120-133 Pounds
150-165lbs
117 - 143 lbs.
125 to 140
about 170 if muscular. but most people are not so 130? or 140?
If your height is 5 foot and 4 inches , you should weigh around 130 to 150 lbs.
The girl should weigh between 121-153 ibm to be considered healthy.