Do you want to know about your physical health? Is it reasonable for you to want to take control of your weight? Do you want to know if your body surface area is normal? If your answer is yes, then there are two important metrics you need to know: Body Mass Index (BMI) and Body Surface Area.
What are BMI and body surface area?
BMI is calculated based on the ratio of height and weight. It can reflect whether your weight is suitable for your height and whether you are obese or thin. The calculation formula of BMI is: BMI = weight (kg) / height (m)^2.
Body surface area is a comprehensive assessment based on factors such as height and weight, age and gender. It can reflect the relationship between your body surface area and your weight, and whether there is a problem of malnutrition or overnutrition. There are many formulas for calculating body surface area. One of the simple formulas is: BSA = [Weight (kg) x Height (cm) / 3600]^1/2.
Why should we calculate BMI and body surface area?
Knowing your BMI and body surface area can help you better understand your health and take appropriate health management measures. For example, if your BMI is too high, it means you may be at risk of obesity, and you need to control your diet and increase exercise to reduce the possibility of chronic diseases such as heart disease and diabetes. If your BMI is too low, it means you may be at risk of losing weight. You need to pay attention to increasing nutrition and maintaining physical strength to improve your immunity and resistance. If your body surface area is too high, it means that your body surface area does not match your weight, and you need to pay attention to adjusting your diet and lifestyle to achieve a balanced state. If your body surface area is too low, it means that your body surface area is not coordinated with your weight. You need to pay attention to replenishing your energy and water to maintain your normal body temperature and metabolism.
How to calculate BMI and body surface area?
We provide quick and convenient BMI and body surface area calculation tools. Just enter basic information such as height, weight, age and gender to get the results. Whether you want to lose weight, stay fit, or better manage your health, our BMI and body surface area calculator will provide you with helpful information and guidance. Come and try it now!
Body mass index and body surface area
Special reminder: All calculation results must be rechecked and cannot be used as the only basis to guide treatment decisions.
Calculation formula:
- Simple body surface area calculation formula (BSA):
BSA = [Weight (kg) x Height (cm) / 3600]1/2 - The formula for calculating the body surface area of children whose weight is less than 30kg:
Children's body surface area = weight * 0.035 + 0.1 - Calculation formula for body surface area of children weighing 30kg or above:
Children's body surface area = 1.05 + (weight - 30) * 0.02 - Pediatric dosage calculation formula:
Pediatric dosage = (Adult dose * Pediatric body surface area) / 1.7 - DuBois and DuBois body surface area calculation formula:
Body surface area (BSA) S(m2) = (W0.425 x H 0.725) x 0.007184 - General formula for human body surface area in China:
Body surface area (BSA) S(m2) = 0.0061 × Height (cm) + 0.0124 × Weight (kg) - 0.0099 - Generally, adults and children use Stevenson’s formula:
Body surface area S (m2) = 0.0061 × Height (cm) + 0.0128 × Weight (kg) - 0.1529
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