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Body fat mass

This calculator finds fat mass from weight and body fat percentage.

MassCalculatorOnline

Enter values

Fat mass, kg
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Formula

fat mass = weight × body fat % / 100

What this calculator does

This calculator finds fat mass from weight and body fat percentage.

How to use

  1. Enter values in the fields.
  2. Click Calculate.
  3. Check the result below the form.

FAQ

Is the formula real?

Yes, this tool uses a real formula for this calculation.

Are data sent to the server?

No, calculation runs in the browser.

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