It is safe and legal for a child of any age to sit in the front passenger side of the car. They must have the correct child restraint for their height and weight.
We must know your or your child's weight to see if you or you child's have a healthy weight.
Height does not determine weight. Many children of the same height will vary greatly in weight.
It depends on height, not age.
Depends the weight and height
Obesity in children is measured based on their body mass index, which is a measurement based on height and weight. BMI also varies by the child's sex. To determine if a child is at a healthy weight, you will need an accurate height and weight. Once doing so, you can consult a BMI chart or speak with your doctor.
The grade does not matter it is the average height and the age of the child that determines there weight.
See: What is a normal weight for a child of a certain height and age?
you have to be 75 pounds
The arverage weight is 82 pounds but the heathy weight for a child of this age and height is 89.2 lbs.
it depends how long the child has been 12 and what height the child is
It might be about 45 kg but it varies according to height, etc. There is no perfect or ideal weight for a child because weight is related to height and body composition rather than age. For more information about this, and to view the height/weight charts for children, see the page link, further down this page, listed under Related Questions.
The average weight for a 12 month old (1 year old) toddler is ~ 21 #. Of course, one would have to consider the child's height, too. The average weight for a 1 year old child is ~ 21 pounds. However, it would be optimum to also consider the child's height, too.