To get the most from training, your clients need more than instruction. Our tools help evaluate current fitness and measure progress—helping you choose the right workout for their personal goals.

Body Mass Index Calculator

Your body mass index is a measure of body fat based on height and weight that applies to both adult men and women.

Weight: lbs
Height (inches): in

Body Mass Index (BMI)
Classification of Body Composition Using BMI
Underweight < 18.5
Normal 18.5-24.9
Overweight 25.0-29.9
Obesity 30.0-39.9
Extreme Obesity >= 40

*Keep in mind that BMI may not be a good predictor of body composition, due to the fact that some individuals carry higher than average amounts of lean mass.

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