It does not take into account different body frames/build, muscle tone, etc. not everything is the same
You cannot judge a "perfect weight" on age. It is judged on height. There are plenty of height > weight charts online.
Ask your doctor. They have age-weight-height growth charts.
There are many weight charts available for reference. here is one height/weight chart you can use: http://www.healthchecksystems.com/heightweightchart.htm
well a good weight always varies from your age, height and weight. if you want to find out you should probably calculate your BMI or use a height weight charts. i would recommend researching if you are wondering if your personal weight is good/ healthy
You can find charts online that will tell you for your specific height what a good weight would be. You can also use your BMI to tell you if your a healthy weight already or not.
Because their bodies are not fully grown
It is probably overweight on most height/weight charts, but that really needs to be determined by your doctor.
A person can use height and weight charts as often as is required. For most people this may be at annual check ups, however it is likely to be more frequent for growing children or those who are actively trying to reduce their BMI and wish to track their progress.
Weight is related to body composition and height rather than age. For more information, and to view the height/weight charts, please the Related Question further down this page.
On the internet that are charts you can look at where you look at your height on a graph and your weight and see the average weight you should be. I t might depend on your age to. Search enine weight charts etc on the net. Hope this helps you.
Weight is related to height and body composition rather than age. For more information about this, and to view the height weight charts, please see the page link, further down this page, listed under Related Questions.
Weight depends on height, body composition, age, and gender. You need to ask your question with these added. Several websites, such as Weight Watchers, have BMI calculators and weight charts.