BMI Calculator | Check Your Body Mass Index Online

Use our free BMI Calculator to quickly estimate your Body Mass Index (BMI). Enter your height and weight to determine whether you are underweight, healthy weight, overweight, or obese, and gain a better understanding of your overall health.

BMI Calculator
Use this calculator to check your body mass index (BMI).
BMI Calculator
Height
cm.
Please enter value between 125 and 225.
Weight
kg.
Please enter value between 10.0 and 500.0 ( one decimal ).
Height
ft.
in.
Please enter value between 4.2 and 7.3
Weight
lb.
st.
Please enter value between 22.0 and 1000.0 ( one decimal ).
Calculate BMI
Use this calculator to check your body mass index (BMI), which can be a helpful tool in determining your weight category. Or, use it to calculate your child’s BMI.

Check Your BMI and Speak With a GP

Your BMI can help you better understand your weight and overall health. Use the calculator to check your result, and if you have any concerns, book an appointment with one of our GPs for personalised advice.

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