What is calculated
QUICKI from fasting insulin and glucose.
QUICKI Calculator
QUICKI value
Enter your values, then calculate to see a verified result.
Reference range
How this result is calculated
A clear calculation path based on your inputs.
Inputs usedReview the information used for this result.
Full calculation and sourcesOpen Full calculation and sources to review the formula, assumptions, boundaries, and evidence.
Versioned calculationFormula v1.0.1
Method
Take base-10 logarithms and invert their sum.
Important boundary
Population, assay, and clinical context control interpretation.
Use one fasting drawUse the labeled input and matching unit.
Measured or label valueApply base-10 logsThe calculator applies the stated equation.
Full precision firstKeep cutoff limitsKeep the boundary beside the result.
Reference, not diagnosisInterpretation
is the calculated QUICKI value.
Both laboratory inputs remain visible.
The tool does not diagnose insulin sensitivity.
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Related calculators and resources
Method and test recordFormula v1.0.1
- Recorded scope
- health-wellness-completion
- Publisher
- CalculatorGeek
- Recorded review date
- 2026-10-05
- Next source review
- 2027-04-05
- Definition fixtures
- 2 configured scenarios
- Published examples
- 2 shown below
Recorded method
Verify base-10 logarithms, glucose unit normalization, and positive-input bounds.
These records describe the published model and reference tests. A test-case count is not a certification of every possible input or an independent specialist review. Editorial policy
Known limitations
- No universal diagnostic cutoff is applied.
- Requires valid fasting same-draw values.
- Insulin assays vary.
- Not validated here for every age, pregnancy, illness, or medicine context.
Method sources
Latest model update
2026-10-05 - Initial evidence-limited shared-system implementation with fixtures, original support content, and contextual links.
Reference inputs and expected results
Up to 12 examples from the configured definition fixtures are shown. Expected values use the stated output units; invalid inputs are intended to be rejected.
| Case | Inputs | Expected result |
|---|---|---|
| fasting reference | Fasting glucose: 90 mg/dL; Fasting insulin: 8 uIU/mL | QUICKI: 0.3499767707 (allowed numeric tolerance: 1.0E-5) |
| higher values | Fasting glucose: 110 mg/dL; Fasting insulin: 15 uIU/mL | QUICKI: 0.3108018617 (allowed numeric tolerance: 0.0001) |
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On this page
What the QUICKI Calculator calculates
Calculate QUICKI from same-draw fasting glucose and insulin using the published base-10-log formula.
The result is presented as a research index without a universal self-diagnosis threshold.
Continue this workflow with the CDC Prediabetes Risk Test. Apply the official CDC screening score.
How to use the QUICKI Calculator
- Use fasting values from the same draw.
- Check glucose units.
- Enter glucose and insulin.
- Interpret only with an appropriate reference context.
Continue with the HOMA-IR Calculator. Calculate a different research index.
Formula, variables and calculation order
QUICKI = 1 / (log10 insulin + log10 glucose mg/dL).
Inputs are validated and normalized before calculation. Full precision is retained until the displayed result is rounded.
Cross-check a different part of the decision with the A1C Calculator. Translate A1C to eAG.
Worked example and boundary check
Worked example
90 mg/dL glucose and 8 uIU/mL insulin gives QUICKI about 0.357.
Boundary check
The logarithm requires positive values; assay and population references vary.
How to interpret the result
Use the output as a calculation record, not a diagnosis or treatment target.
- No universal diagnostic cutoff is applied.
- Requires valid fasting same-draw values.
- Insulin assays vary.
- Not validated here for every age, pregnancy, illness, or medicine context.
For a separate result with different assumptions, open the Blood Pressure Calculator. Keep blood pressure separate.
Frequently asked questions
Is a higher QUICKI better?
Published studies often associate higher values with greater sensitivity, but interpretation requires the relevant population and assay.
Which logarithm is used?
Base 10.
Can I compare it directly with HOMA-IR?
They are different indexes; both should retain their formula labels.
Does it diagnose diabetes?
No.
Primary sources and evidence limits
Sources were checked 2026-10-05. A reference value, conversion, or schedule estimate is not a diagnosis, prescription, individualized treatment target, or substitute for professional care.