QUICKI Calculator

A logarithmic method for assessing insulin sensitivity

Last updated on: June 22, 2025

QUICKI Calculator

mg/dL
µU/mL

What is the QUICKI Index?

The QUICKI (Quantitative Insulin Sensitivity Check Index) is a mathematical formula used to assess insulin sensitivity from fasting blood glucose and insulin levels. It is based on the inverse of the sum of the logarithms of these values.

A higher QUICKI value indicates greater insulin sensitivity, while a lower value suggests insulin resistance. It is considered a reliable and simple alternative to more complex methods like the euglycemic clamp.

Why is QUICKI Important?

  • It correlates well with the "gold standard" glucose clamp method for measuring insulin sensitivity.
  • Useful in large-scale epidemiological studies due to its simplicity and low cost.
  • Helps in tracking changes in insulin sensitivity in response to lifestyle interventions or medications.

Interpreting Your Result (Reference Guide)

Insulin Resistance Suggested (< 0.33): A low QUICKI value is strongly associated with insulin resistance and an increased risk of metabolic syndrome.
Normal Sensitivity (≥ 0.33): A value in this range typically indicates normal or adequate insulin sensitivity.

Understanding Insulin Sensitivity

Insulin sensitivity refers to how efficiently your cells use insulin to absorb glucose from your blood. Improving it is a cornerstone of metabolic health.

  • Regular exercise is one of the most effective ways to increase insulin sensitivity.
  • Weight loss, particularly reducing visceral fat, significantly improves insulin action.
  • A diet lower in processed carbohydrates and higher in fiber can be beneficial.
  • Adequate sleep and stress management are crucial for hormonal balance.

This page has been medically reviewed by Dr. Khoulah Attia – PharmD, Immunology Specialist.