Fasting insulin (mIU/L) :
Fasting glucose (mg/dL) :

Approximating equation for insulin resistance.

Formula :
Fasting insulin x Fasting glucose / 405

Explanation of Result :

Category HOMA Score
Normal insulin resistance < 3
Moderate insulin resistance Between 3 and 5
Severe insulin resistance >5

* Please verify all calculations prior to clinical use.


  • Matthews DR, Hosker JP, Rudenski AS, Naylor BA, Treacher DF, Turner RC. Homeostasis model assessment: insulin resistance and beta-cell function from fasting plasma glucose and insulin concentrations in man. Diabetologia. 1985 Jul;28(7):412-9. PMID: 3899825.