No. As people have different body shapes and different percentages of muscle, fat, and even bone, such a calculation would never be consistently accurate.
140cm.
Depends on your height.
Your waist should be roughly half of your height so your waist size should be 30"-32".
The 'normal 16 year old girl's waist size' would not be the average waist size, as this would be a rather distorted measurement, as it would include the measurement of some overweight people. The ideal 'normal' waist measurement for a 16 year old girl would depend on the other proportions of the person, their height and their weight. So an average 'normal' may be between 26" and 36". Although, I am sixteen have a height of 5"5, weigh 105 lbs and have a waist measurement of 23", bust 33" and hips 32". Therefore, the answer is varying and maybe go along the guidelines of; the waist must be at least 5" less than the measurement of your hips and bust.
It is not possible to accurately determine a person's weight based solely on their waist measurement. Weight is influenced by various factors such as height, muscle mass, and overall body composition. To determine weight accurately, additional information would be needed.
this would be a very distorted average, as many people are overweight, but a healthy waist measurement for this height may be between 26" and 32"
Losing weight would be the easiest way.
Weight cannot be measured by the inches on your waist. There are too many variables to take into consideration such as sex, height, and muscular build.
38"
Anthropometric measurement is the systematic measurement of the physical dimensions and capacities of the human body, such as height, weight, body mass index, and waist circumference. These measurements are used in various fields including medicine, nutrition, and ergonomics to assess growth, health, and physical characteristics of individuals or populations.
28 to 30”.
Don't just look for weight. you also want to look at bodyfat levels. Your best bet would be to get your bodyfat & muscle mass tested. I would need to know your height, weight, waist measurement, bodyfat, etc to give you any real weight info.