Body Mass Index (BMI)
BMI is the typical gauge used by medical personnel to determine a person's body fat percentage. Although this is not a fair measurement for people at extremes of muscle mass who carry a lot of their weight in muscle, it is otherwise the go-to formula to derive a sense of how generally healthy a person might currently be.
BMI gives an estimate on how much of their body is fat tissue. A healthy value is considered between 18.5 and 24.9. Being under or over this range typically suggests too little or too much body fat.
Know your height and weight? See what your BMI is below.
Relative Fat Mass (RFM)
Recent studies indicate RFM gives a more accurate assessment of a person's body fat when compared to the traditional BMI measurement. Read more about the Relative Fat Mass formula here.
The main point is that the Relative Fat Mass formula (RFM) has been shown to be close-enough accurate when compared with more sophisticated (and more expensive) measurements taken from body scans.
Already know your height and waist circumference? Great, try the RFM calculator below and see how you currently stack-up.
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