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    HOMA-IR calculator

    Calculate the HOMA-IR insulin resistance index from fasting glucose and insulin.

    Enter values — the result appears instantly.

    For information only; not a substitute for medical advice. Data is neither sent nor stored.

    Formula

    HOMA-IR = glucose (mmol/L) × insulin (µU/mL) / 22.5.

    Reference ranges

    • < 1: optimal
    • 1–2.5: normal
    • 2.5–3: borderline
    • > 3: insulin resistance (cut-offs vary between laboratories)

    Frequently asked questions

    Do I need to be fasting?
    Yes. Glucose and insulin must be drawn after 8–12 hours of fasting, from the same sample.