Metric Body Fat Formula: Body fat is calculated by weighting different metric measurements on your body and then using those weighted numbers to determine a body fat percentage.

Metric Body Fat Definition Using the free online Metric Body Fat Calculator is super easy. This metric version of our Standard Body Fat Calculator uses the same formula but requires inputs in metric format. If you want to learn how to calculate body fat percentage in metric form then look no further! Simply enter in your weight in kilograms, your waist size in centimeters (and if you are a female then your wrist, hips, and forearm size also) and that’s it!

How to Calculate Metric Body Fat Let's be honest - sometimes the best metric body fat calculator is the one that is easy to use and doesn't require us to even know what the metric body fat formula is in the first place! But if you want to know the exact formula for calculating metric body fat then please check out the "Formula" box above.