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QUICKI Insulin Sensitivity Calculator

Enter fasting insulin and glucose to get the QUICKI index.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

QUICKI (Quantitative Insulin Sensitivity Check Index) is computed as 1 / [log(fasting insulin, µU/mL) + log(fasting glucose, mg/dL)], a log-transform that linearizes the otherwise skewed relationship between insulin and glucose so the index behaves more predictably across a population. Values typically fall between about 0.30 and 0.45, with lower numbers indicating greater insulin resistance.

Because it needs only a single fasting blood draw rather than the multi-hour, multi-sample hyperinsulinemic-euglycemic clamp considered the gold standard, endocrinologists and metabolic researchers use QUICKI (alongside HOMA-IR) as a practical outpatient screening tool for insulin resistance and early type 2 diabetes risk.

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