QUICKI Calculator
Quantitative insulin sensitivity check.
QUICKI = 1 ÷ (log₁₀ glucose + log₁₀ insulin). Higher = more insulin sensitive.
How the Math Works
QUICKI (Quantitative Insulin Sensitivity Check Index) is calculated using the natural logarithm of fasting glucose and insulin values combined through a specific mathematical formula. The calculation takes the negative reciprocal of the sum of the natural logs of fasting insulin (in µU/mL) and fasting glucose (in mg/dL), expressed as: QUICKI = -1 / (ln[insulin] + ln[glucose]). This logarithmic transformation helps normalize the typically wide-ranging values for insulin and glucose, producing a more interpretable index that correlates with insulin sensitivity measured by gold-standard clamp techniques.
Practical Applications
To use the QUICKI calculator, simply enter your fasting glucose level (measured in mg/dL) and fasting insulin level (measured in µU/mL) from the same blood draw. These values must be obtained after an overnight fast, typically 8-12 hours without food. Once you input these two values, the calculator applies the QUICKI formula and returns a numerical result. A higher QUICKI value indicates greater insulin sensitivity (your body uses insulin more effectively), while a lower value suggests insulin resistance (your body needs more insulin to achieve the same glucose-lowering effect).
Day-to-Day Use
Understanding your QUICKI score provides valuable insight into your metabolic health and diabetes risk. If you have a high QUICKI score, it means your pancreas is working efficiently and you're less likely to develop type 2 diabetes. If your score is low, it signals potential insulin resistance, which can guide lifestyle changes like improved diet, regular exercise, or medical interventions before full diabetes develops. This information empowers you to make informed decisions about your health, track improvements over time with lifestyle modifications, and have more meaningful conversations with your healthcare provider about personalized prevention strategies for metabolic disease.
FAQ
Vs HOMA-IR?
QUICKI is the reciprocal log form — both measure insulin resistance.