Body Mass Index Calculator Body Mass Index CalculatorEnter the following dataSex male femaleWeight lbskgHeight inchescmmetersResults Body Surface Area m2 Lean Body Weight kg = lbs Ideal Body Weight kg = lbs Body Mass Index kg/m2 = Interpretation of the resultsBMI < 18.5underweightBMI 18.5 to 24.9healthyBMI 25 to 29.9overweightBMI 30 or more obese AllNutritionals.com The browser does not support JavaScript. The calculations will not work.