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Body Mass Index (BMI) Calculator

Calculate your body mass index using your height and weight, then see whether your result falls within a healthy weight range for adults.

BMI Calculator

Calculate your body mass index using your height and weight.

Disclaimer: BMI is a general screening tool and does not directly measure body fat or overall health. It may be less accurate for children, pregnant people, older adults, and those with high muscle mass. This tool is for general information only and should not replace medical advice.

BMI Basics

What is BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

How do you calculate BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What is a healthy BMI range?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What do the BMI categories mean?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why round BMI to one decimal place?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Should the BMI calculator use metric and imperial units?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Accuracy, Limits and Interpretation

Is BMI accurate?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why does BMI not tell the full story?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can BMI tell me how much body fat I have?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can BMI diagnose a health condition?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What is the main limitation of BMI calculators?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Should I trust the result completely?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why might two people with the same BMI look very different?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Age, Gender and Different Groups

Does the BMI formula change based on gender?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why ask for gender in the calculator if the formula stays the same?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Does age change BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can children use a standard BMI calculator?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can teenagers use this calculator?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is BMI suitable during pregnancy?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is BMI useful for athletes or very muscular people?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is BMI useful for older adults?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is BMI different for different ethnic groups?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Health Meaning and What to Do Next

What health risks are linked to a high BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Are there risks linked to being underweight?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Should I be worried if my BMI is outside the healthy range?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should I do if my BMI is high?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should I do if my BMI is low?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Who should speak with a doctor after using a BMI calculator?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can a person have a healthy BMI and still be unhealthy?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can a person have a high BMI and still be healthy?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Related Measurements and Better Context

What other measurements should I look at besides BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why does this page mention related tools like waist-to-hip ratio?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What is the healthy weight range for my height?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Why show a healthy weight range as well as BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is BMI the same for men and women?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can I use this calculator to track progress over time?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Calculator Features and Page Experience

Why include a simple view and an advanced view in a BMI calculator?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should the simple view include?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should the advanced view include?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can I print my BMI result?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can I save my BMI result as a PDF?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should be included on a saved or printed result?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

How often should I check my BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is this BMI calculator for adults only?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Does this calculator provide medical advice?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What disclaimer should appear on the page?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Calculator Features and Page Experience

Why include a simple view and an advanced view in a BMI calculator?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should the simple view include?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should the advanced view include?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can I print my BMI result?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Can I save my BMI result as a PDF?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What should be included on a saved or printed result?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

How often should I check my BMI?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Is this BMI calculator for adults only?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

Does this calculator provide medical advice?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.

What disclaimer should appear on the page?

BMI is a general screening measure for adults and should be considered alongside your health history, body composition and other relevant measurements. A healthcare professional can help interpret your result for your circumstances.