RFM Calculator (Relative Fat Mass)

Relative Fat Mass Calculator Description

The formula for calculating Relative Fat Mass is

Relative Fat Mass (For Men) = 64 - (20 *
height / Waist
)

Relative Fat Mass (For Women) = 76 - (20 *
height / Waist
)

Example of Calculations (For Men):

Height: 139.5 cm

Waist : 45 cm

Relative Fat Mass (For Men) = 64 - (20 *
139.5 / 45
) = 2 %

Example of Calculations (For Women):

Height: 139.5 cm

Waist : 45 cm

Relative Fat Mass (For Women) = 76 - (20 *
139.5 / 45
) = 14 %

Remarks Fat level women (%) Fat level men (%)
Extremely low level of fat < 10 < 2
Essential fat 10 - 13 2 - 5
Athletes 14 - 20 6 - 13
Fitness 21 - 24 14 - 17
Average 25 - 31 18 - 24
Obese 32+ 25+

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