Endocrinology · Internal Medicine

HOMA-IR (Insulin Resistance Index) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Fasting glucose

mg/dL

Allowed range: 40–600 mg/dL

Fasting insulin

μU/mL

Allowed range: 0.1–300 μU/mL

Result

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Clinical inputs

Fasting glucose (mg/dL)Accepted range: 40 to 600
Fasting insulin (μU/mL)Accepted range: 0.1 to 300

Primary source

Matthews DR et al. Homeostasis model assessment: insulin resistance and beta-cell function from fasting plasma glucose and insulin concentrations in man. Diabetologia. DOI: 10.1007/BF00280883. PMID: 3899825. Scope: HOMA-IR = (fasting insulin [μU/mL] × fasting glucose [mg/dL]) / 405 in conventional US laboratory units. (1985)

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