Endocrinology
HOMA1 Insulin Resistance Index calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Allowed range: 36.04–540.54 mg/dL
Allowed range: 1–300 mIU/L
Result
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Clinical inputs
- Fasting glucose (mmol/L)Accepted range: 2 to 30
- Fasting insulin (mIU/L)Accepted range: 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: HOMA1-IR = (fasting insulin [mIU/L] × fasting glucose [mmol/L]) / 22.5. Registry id retained as homa2-ir for URL stability; this is the classic HOMA1 identity, not the computer HOMA2 model (Wallace Diabetes Care 2004). (1985)
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