MCHC calculator (hemoglobin and hematocrit)
How concentrated the hemoglobin is inside your red blood cells, which shows how pale or dense they are. Type your results in the units on your report and it works out MCHC as you type, in your browser.
AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03Blood Cells
Type your results above, or fill in the example, to see MCHC.
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Educational information, not medical advice. Blood Test Tracker doesn’t diagnose or treat, and it doesn’t replace your clinician. Talk with your clinician before changing medications, supplements or care.
How it’s worked out
The formula
MCHC (g/dL) = Hemoglobin (g/dL) × 100 ÷ Hematocrit (%)
A worked example
Example numbers, not anyone’s real results, run through the same code as the calculator above.
| Hemoglobin | 14 g/dL |
|---|---|
| Hematocrit | 42 % |
| MCHC | 33.3 g/dL |
For an adult, this result is in the usual range.
What MCHC tells you
Mean corpuscular hemoglobin concentration (MCHC) tells you how packed with hemoglobin the average red blood cell is. Hemoglobin is the protein that carries oxygen. Your lab calculates MCHC from your hemoglobin and hematocrit, and it is usually reported in grams per deciliter (g/dL). Some countries print it in g/L, so 33 g/dL appears as 330 g/L. The number stays in a narrow band because red cells cannot hold much more hemoglobin than they normally do.
A low MCHC means red cells are paler than usual (hypochromic). This is most often linked to low iron or to thalassemia trait, an inherited difference in hemoglobin that usually causes no symptoms. A high MCHC is less common. When it is real, it can be seen in conditions where red cells are small and dense, such as hereditary spherocytosis. More often, a very high MCHC comes from the sample or the instrument, so labs often re-run these samples.
Read the full page on MCHC, with what a high or low result can mean.
Usual ranges
The ranges the result above is placed on. Your own lab’s printed range comes first if it gives one.
Sources
The equation
- MCHC: Mean Corpuscular Hemoglobin Concentration (conversion and formula reference), UnitsLab
- Answer to Case on Crazy CBC Values (cold agglutinin disease), The Blood Project
12 more sources for the ranges and the explanation
- RBC indices, MedlinePlus, National Library of Medicine
- CBC with Differential: reference ranges (OHSU Lab Services test directory), Oregon Health & Science University Lab Services
- Complete Blood Count with Differential (Parkview Laboratory test directory), Parkview Health Laboratory
- Sample report, CBC, Platelet, No Differential (test 028142), Labcorp (2020)
- Sample report, CBC With Differential/Platelet (test 005009), Labcorp
- CBC with Platelet Count and Automated Differential (ARUP test 0040003), reference intervals effective March 1, 2021, ARUP Laboratories (2021)
- Guidelines for the diagnosis and management of hereditary spherocytosis, 2011 update, British Journal of Haematology (British Society for Haematology) (2011)
- Prospective validation of an automatic reflex test for identifying spurious elevations of mean corpuscular haemoglobin concentration due to the presence of cold agglutinins, Scandinavian Journal of Clinical and Laboratory Investigation (2021)
- How to handle lipemic CBC samples on Sysmex hematology analyzers?, Advances in Laboratory Medicine (2025)
- Assessment of Oxidative Stress Biomarkers in Rat Blood (states the hemoglobin monomer molar mass, 16,114.5 g/mol), Bio-protocol (2023)
- Evaluation of Macrocytosis, American Family Physician (2009)
- Measurement of Red Cell Lifespan and Aging, Transfusion Medicine and Hemotherapy (2012)
AI-verified against cited sources. Awaiting expert review. Last reviewed 2026-10-03. The calculator is version 1.0.0 of our code for this equation, tested against published examples. How we build and check these pages.