What is the height and weight of an 8-year-old child?

Every parent desires that their child has a healthy body, so every parent will pay close attention to every stage of their child's growth. When a baby reaches the age of eight, it reaches the golden period of physical development, so every parent will worry about whether their child's physical development will be normal. This is largely manifested in paying attention to the child's height and weight. What is the normal height and weight for a child?

Calculation method recommended by the World Health Organization

Male: (height cm-80) x 70﹪ = standard weight

Female: (height cm-70) x 60﹪ = standard weight

Normal weight is within plus or minus 10% of the standard weight. Overweight or underweight is within plus or minus 10%~20% of the standard weight. Overweight or underweight is within plus or minus 20% of the standard weight. Formula for calculating overweight: Overweight% = [(actual weight - ideal weight) / (ideal weight)] × 100% Weight calculation methods for different ages Standard weight method Standard weight (kg) = age x 2 + 8 (7 - 16 years old) Mild obesity: 20% - 30% above the standard weight Moderate obesity: 40% - 50% above the standard weight Severe obesity: 50% above the standard weight BMI method Body mass index BMI = weight (kg) / height (m) squared, i.e. kg/m2 Age BMI value Age Normal Overweight Mild obesity Moderate obesity Severe obesity Under 6 years old 15-18 18-6- 11 years old 16-19 19-21 21-23 23-27 27- Simple and practical calculation method

Calculation method 1: Body mass index = weight (kg) ÷ height (m) square kg/m^2 Formula: BMI = weight / (height)^2 Normal weight: BMI = 18.5 - 25 (Chinese physical fitness standard: normal range 18.5~23.9, overweight 24.0~27.9, obesity ≥28.0) Overweight: BMI = 25 - 30 Mild obesity: BMI > 30 Moderate obesity: BMI > 35 Severe obesity: BMI > 402.

Calculation method 2: Standard weight = height (m) × height (m) × standard coefficient (20 for women, 22 for men) Standard weight plus or minus 10% is normal weight Standard weight plus or minus 10%~20% is overweight or underweight Standard weight plus or minus 20% or more is obese or underweight

Calculation method three: Standard weight (kg) = height (cm) - 105. For example, for a man who is 170 cm tall, his standard weight should be: 170 (cm) - 105 = 65 (kg). Anyone who is 10% above the standard weight is considered overweight, and anyone who is 20% or more above the standard weight is considered obese; anyone who is 10% below the standard weight is considered underweight, and anyone who is 20% or more below the standard weight is considered underweight.

Note: The above calculation method is only applicable to adults. Not suitable for children, the elderly, or people who are too short.

Parents can appropriately compare their specific situations to understand whether their baby is in a normal development stage. Of course, whether a child grows up healthily is not just about these simple numbers. As long as the child has a good mental state and a healthy physique, it is best.