Body Fat Percentage

Enter your data to calculate your body fat percentage based on your age and sex. Use a period as a decimal separator.

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Your Body Fat Percentage is:
%

What Is Body Fat Percentage?

Body fat percentage is an estimate of the proportion of fat in relation to total body weight. It uses BMI as a reference and incorporates sex and age for a more accurate estimate.

For an accurate measurement, body composition must be assessed in a laboratory with specialized equipment.

Calculation Formulas:

Men: 1.2 × BMI + 0.23 × age − 16.2

Women: 1.2 × BMI + 0.23 × age − 5.4

Body Fat Percentage Levels for Women

Compare your results with this table to see which category you fall into.

Age Normal Overweight Obesity
18-39 21-33% 33-39% +39%
40-59 23-35% 35-40% +40%
60-79 24-36% 36-42% +42%

Body Fat Percentage Levels for Men

Compare your results with this table to see which category you fall into.

Age Normal Overweight Obesity
18-39 8-20% 20-25% +25%
40-59 11-22% 22-28% +28%
60-79 13-25% 25-30% +30%