Health Tools
Health and fitness calculators including BMI, BMR, body surface area, ideal weight, and baby growth tracker.
📊 Body Index Calculation
About Health Tools Tools
Health Tools is a collection of health index evaluation and fitness calculation tools, including five tools: Body Surface Area Calculator, BMI Calculator, BMR Calculator, Body Fat Percentage Calculator, and Standard Weight Calculator. The Body Surface Area Calculator, based on height and weight, uses the Du Bois formula or Mosteller formula to calculate body surface area, which can be used for medical dosage adjustment, burn area assessment, and physiological research. Users simply input height and weight to quickly obtain the body surface area value, with support for both metric and imperial units.
The BMI Calculator (Body Mass Index Calculator) calculates the BMI value from height and weight and provides weight classification (underweight, normal, overweight, or obese) based on World Health Organization standards. BMI is an important reference indicator for weight health, but it should be noted that it is not suitable for special populations such as pregnant women or athletes. The tool has a clean interface; after entering height and weight, the result is displayed immediately along with health advice.
The BMR Calculator (Basal Metabolic Rate Calculator) estimates daily basal metabolic calories based on gender, age, height, and weight, using the Mifflin-St Jeor formula. Knowing BMR helps formulate reasonable diet and exercise plans: those losing fat can control calorie intake accordingly, and those gaining muscle can increase calories appropriately. The tool provides detailed calculation formulas and result explanations.
The Body Fat Percentage Calculator estimates body fat percentage based on height, weight, age, and gender. Body fat percentage reflects body composition better than BMI, making it suitable for fitness enthusiasts monitoring fat loss or muscle gain progress. The tool uses several common formulas (such as the U.S. Navy formula) and provides healthy body fat range references.
The Standard Weight Calculator calculates a healthy weight range based on height and gender, providing multiple reference standards (such as Broca formula, Devine formula, etc.) to help users set reasonable weight goals. The results of all health tools are for reference only and do not replace professional medical advice. All data is processed locally and will not be uploaded to any server, protecting user privacy.