HOMA-IR estimates insulin resistance from fasting glucose and insulin under a simplified steady-state model.
HOMA-IR Calculator
Form
Results
HOMA-IR
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Table of Contents
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What is HOMA-IR?
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How to Use This Calculator
- Enter or select Fasting glucose, Fasting insulin.
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
HOMA-IR = fasting insulin × glucose(mg/dL)/405, or insulin × glucose(mmol/L)/22.5
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Variables Explained
| Input | What it means |
|---|---|
| Fasting glucose | Glucose concentration in the stated unit; mg/dL and mmol/L differ by about a factor of 18. |
| Fasting insulin | Fasting insulin concentration for indices that require a fasting sample. |
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Worked Example
Insulin 10 µU/mL and glucose 90 mg/dL give HOMA-IR≈2.22.
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Why Use This Calculator?
Use the calculation to make the method and its inputs easier to check with a healthcare professional. Its meaning depends on the clinical setting and on whether the underlying method is appropriate for that person.
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Common Mistakes
- Use fasting measurements and the correct glucose units; there is no single universal diagnostic cutoff.
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Frequently Asked Questions
Is this result a diagnosis or treatment instruction?
No. It describes a calculation or score from the supplied information. A qualified clinician must check the measurements, the method’s applicability and the wider clinical picture.
Can I enter the units from any lab report?
Use the units specified in the form and select a conversion only where the page provides one. Different substances need different conversion factors; a mismatch can produce a plausible but incorrect result.
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Sources & References
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