Free tool · metabolic
HOMA-IR calculator
Estimate insulin resistance from fasting glucose and insulin — the early-warning glucose alone misses.
FAQ
What is a good HOMA-IR?
Roughly under 2 suggests insulin sensitivity; ~2–2.9 early resistance; ~3+ insulin resistance. Cutoffs vary by population and assay — use it to track trends, not to diagnose.
Why HOMA-IR instead of glucose alone?
Insulin rises to keep glucose normal during early resistance, so glucose and HbA1c can look fine for years. HOMA-IR uses fasting insulin too, surfacing that compensation earlier.
Educational estimate. Not a diagnosis; consult a physician.