The ideal weight for a 14-year-old depends on several factors, including height, body composition, and overall health. Therefore, it is not possible to give a specific weight that would be considered perfect for all 14-year-olds.

However, one way to determine a healthy weight range for a 14-year-old is to calculate their body mass index (BMI). BMI is a measurement that takes into account a person’s height and weight and provides an estimate of body fat. While it is not a perfect measurement, it can be a helpful tool in determining whether a person is underweight, overweight, or at a healthy weight.
To calculate BMI, you can use the following formula:
BMI = weight (kg) / height (m)^2
For example, if a 14-year-old is 5’4″ (1.63 meters) tall and weighs 120 pounds (54.4 kg), their BMI would be calculated as follows:
BMI = 54.4 kg / (1.63 m)^2 BMI = 20.4
A BMI between 18.5 and 24.9 is generally considered to be a healthy weight range for most people, including 14-year-olds. However, it is important to note that BMI is not always an accurate indicator of health, as it does not take into account factors such as muscle mass or bone density.
Other factors that can influence what weight is considered ideal for a 14-year-old include gender, level of physical activity, and overall health. For example, a teenage boy who is highly active and participates in sports may have a higher muscle mass and require a higher weight than a sedentary teenage girl of the same height.
Additionally, it is important to remember that teenagers go through periods of growth and development at different rates. Some teenagers may experience rapid growth spurts that can temporarily cause fluctuations in weight and height. It is essential to talk to a healthcare provider if there are any concerns about a 14-year-old’s growth and development.
In conclusion, there is no one perfect weight for a 14-year-old as it varies depending on several factors such as height, body composition, gender, physical activity, and overall health. Calculating BMI can be a helpful tool in determining whether a 14-year-old is at a healthy weight range, but it is important to remember that BMI is not always a perfect indicator of health. It is essential to talk to a healthcare provider if there are any concerns about a 14-year-old’s growth and development.