MCV Calculator

Calculate mean corpuscular volume from hematocrit and RBC count.

Aug 31, 2026 Hematology #rbc-indices #mcv

Calculate

All fields required unless noted

Hematocrit (%)

RBC count (10^12/L)

Calculating...

Enter your values and press Calculate to see the result.

Reference Ranges Used

MCV (Mean Corpuscular Volume) - Adult 80–100 fL

Formula & Clinical Notes

Formula

MCV = (Hct × 10) / RBC

Clinical Notes

The normal MCV is 80-100 fL. Low MCV indicates microcytosis, seen in iron deficiency anemia and thalassemia; high MCV indicates macrocytosis, seen in B12/folate deficiency and other conditions.

Sources

Merck Manual Professional — Evaluation of Anemia