HOMA-IR Calculator (Insulin Resistance)

Calculate the HOMA-IR index to assess insulin resistance from fasting glucose and fasting insulin levels.

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Input Parameters

Enter details for calculation.

HOMA-IR

2.3
Normal
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Expert Tip

HOMA-IR < 1.0 = Optimal, 1.0–1.9 = Normal, 2.0–2.9 = Early resistance, ≥ 3.0 = Significant insulin resistance.

Calculation Methodology & Details

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Formula

HOMA-IR = (Fasting Glucose × Fasting Insulin) / 405

Glucose in mg/dL, insulin in µU/mL. Higher values indicate greater insulin resistance.

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Important Disclaimer

The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.

How HOMA-IR is Calculated

Follow these steps to use this calculator:

1

Enter Fasting Labs

Input fasting glucose and fasting insulin levels.

2

Read HOMA-IR

Assess insulin resistance severity.

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Detailed Insights & Expert Guide

ℹ️ About this Calculation

This clinical diabetes calculator assists with blood glucose monitoring, HbA1c conversion, glycemic load estimation, and insulin sensitivity evaluation based on standard endocrinology guidelines.

Variable Glossary

Input

Glucose & Insulin Values

Fasting glucose (mg/dL or mmol/L), HbA1c percentage, carbohydrate intake, or insulin units.

Parameter

Clinical Metrics

Estimated average glucose (eAG), insulin resistance index (HOMA-IR), or correction factor ratios.

How to Calculate Step-by-Step

1

Step 1

Select your input units (mg/dL vs mmol/L) or clinical measurement type.

2

Step 2

Enter recent lab results or current blood glucose readings.

3

Step 3

View the calculated HbA1c/eAG conversion, glycemic impact, or risk score immediately.

FAQ

What is the relationship between HbA1c and eAG?
HbA1c measures average blood sugar over the past 2-3 months. The ADA formula eAG = 28.7 × A1C - 46.7 converts this percentage into a daily blood glucose reading in mg/dL.
How is HOMA-IR interpreted for insulin resistance?
A HOMA-IR score below 1.0 indicates optimal insulin sensitivity, while scores above 1.9-2.5 suggest early to significant insulin resistance.
Can I use this calculator for medical insulin dosing?
Calculations are for educational and informational tracking. Insulin therapy must always follow specific prescriptions and sliding scales provided by your treating physician.