Use my BMI calculator to instantly calculate BMI and find out your healthy weight range. Our free body mass index calculator supports both metric and imperial units and shows full BMI categories with a BMI chart — ideal for adults of any age.
Choose Metric (kg/cm) or Imperial (lb/ft) in my BMI calculator depending on your preference..
Input your gender, age, height, and weight into the body mass index calculator fields.
Click "Calculate BMI" to instantly check your BMI and get your full result.
View your BMI category, healthy weight range, BMI Prime, and the visual BMI chart scale.
My BMI calculator is a reliable screening tool for most adults, but it does not directly measure body fat. Athletes may show a high BMI on a body mass index calculator due to muscle mass rather than excess fat. For a more complete picture, pair your check my BMI result with other health assessments or consult a doctor.
According to the standard BMI chart and BMI categories, a healthy BMI for most adults is between 18.5 and 24.9. Use my BMI calculator above to find your personal healthy weight range based on your height and weight.
If you are actively managing your weight, using my BMI calculator — or any healthy weight calculator — every few months is a good habit. It helps you track progress and stay within the normal BMI category shown on the BMI chart.