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RFM Calculator

Result

Calculated result 34 Based on the values entered.
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RFM Calculator — free online calculator.

Formula

Men: RFM = 64 − (20 × height (cm) / waist (cm))
  • RFM Calculator calculates its result from Waist Cm, Height Cm. It uses the formula Men: RFM = 64 − (20 × height (cm) / waist (cm)). Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Waist Cm, Height Cm. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: RFM

Inputs
  • Waist Cm: 2
  • Height Cm: 3

Using Waist Cm = 2, Height Cm = 3, the calculated result is 34.

Sample result: Calculating…

Frequently asked questions

What does the RFM calculate?

RFM Calculator — free online calculator.

Which values should I enter?

Enter Waist Cm, Height Cm using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Men: RFM = 64 − (20 × height (cm) / waist (cm)).

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026