BMI Sponsored Advertising placement Body Mass Index (BMI) Clinical Decision Tool Calculates adult body mass index from height and weight. Height i Height × Standing patient height measured without shoes on a level surface. Accepted units cm in ft/in Used by BMI Body Surface Area Ideal Body Weight Clinical noteMeasure using a stadiometer where possible for greatest accuracy. ReferenceNICE CG189 cm in ft/in Enter standing height. Weight i Weight × Actual patient body weight used in clinical calculations and medication dosing. Accepted units kg lb st/lb Used by BMI Body Surface Area Ideal Body Weight Cockcroft–Gault Clinical noteUse actual, ideal or adjusted body weight according to the specific calculator or dosing guidance. ReferenceNICE CG189 Learn more → kg lb st/lb Enter current body weight. Calculate Body Mass Index (BMI) Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Learn More About Body Mass Index (BMI) Sponsored Advertising placement