Mentzer Index Sponsored Advertising placement Mentzer Index Clinical Decision Tool Calculates the Mentzer index. Mean Corpuscular Volume fL Red-Cell Count ×10¹²/L Calculate Mentzer Index Clear Calculator ☆ Log in to save Save this calculator to your MediCalc account. 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 Sponsored Advertising placement