Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.

Use the tool below to compute yours.

  • Enter your weight and height using standard measures (feet, inches and pounds).
  • Your BMI will appear below.
  • Press the SAVE button to save your daily measurement.

BMI Categories

Underweight = <18.5
Normal weight = 18.5–24.9
Overweight = 25–29.9
Obesity = BMI of 30 or greater

B.M.I.

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Record your daily weight

Remember to do it at the same time and under the same conditions every day
Body Mass Index