If your intent is a fast estimate using the basics, this Body Fat Percentage Calculator Using Height and Weight gives you your %BF, category, and lean mass in seconds. It converts units automatically, calculates BMI = kg/m², then applies the Deurenberg equation (%BF ≈ 1.20×BMI + 0.23×age − 10.8×sex − 5.4). Reference points: WHO BMI … Continue reading Body Fat Percentage Calculator Using Height and Weight