Insulin Resistance Score Calculator
A multi-marker metabolic assessment using HOMA-IR, waist circumference, triglycerides, and HDL. Each marker is scored independently; an aggregate flag count summarizes your overall metabolic risk profile. Educational reference only.
🎯 Multi-Marker IR Assessment
Enter any markers you have available. Markers left blank are skipped.
Metabolic Risk Assessment
| Marker | Your Value | Threshold | Status |
|---|
Metabolic Syndrome Criteria (IDF/AHA 2009)
Metabolic syndrome is diagnosed when ≥ 3 of the following 5 criteria are met:
| Criterion | Threshold (Men) | Threshold (Women) |
|---|---|---|
| Waist circumference | ≥ 102 cm (40 in) | ≥ 88 cm (35 in) |
| Fasting triglycerides | ≥ 150 mg/dL (1.7 mmol/L) | |
| HDL cholesterol | < 40 mg/dL | < 50 mg/dL |
| Fasting glucose | ≥ 100 mg/dL (5.6 mmol/L) | |
| Blood pressure | ≥ 130/85 mmHg (not included here) | |
Source: Alberti KG et al. "Harmonizing the metabolic syndrome." Circulation. 2009.
Why a single marker rarely tells the whole story
Metabolic health is the product of several systems working together — how your cells handle glucose, how your liver processes fat, where your body stores weight, and how your blood pressure responds. Any one test captures only a slice of that. A fasting glucose can look fine while insulin quietly climbs; a normal weight can hide an unhealthy waistline; lipids can drift before sugar does. A combined score is useful because it stacks several of these signals together, so a problem that's invisible in isolation becomes obvious in the pattern.
That's the same logic clinicians use when they look for metabolic syndrome rather than chasing one abnormal value. The aim isn't a precise diagnosis from a calculator — it's to notice when several markers are leaning the wrong way at once, which is a stronger early-warning sign than any single number.
How combined scores flag metabolic syndrome early
Metabolic syndrome is the recognised cluster of waist size, blood pressure, triglycerides, HDL cholesterol, and fasting glucose. When three or more sit outside their healthy range, the risk of type 2 diabetes and heart disease rises sharply. A composite metabolic score works in the same spirit, weighing the markers you enter so that borderline values, which a doctor might overlook one at a time, add up to a meaningful signal.
The markers that carry the most weight
Central (abdominal) fat and insulin-related measures usually do the heavy lifting, because visceral fat is closely tied to insulin resistance. Blood pressure and the triglyceride-to-HDL relationship round out the picture. None of these is destiny — they describe risk, not a fixed future.
What to do if your score points to higher risk
A higher score is best read as an invitation to act early, while change is most effective. Bring the result to your doctor, who can order confirmatory blood work and check anything the score can't measure. In parallel, the foundations help across every marker at once: losing excess weight, especially around the middle, moving most days, building muscle, eating more whole foods and fewer refined carbs, and sleeping well. Recheck after a few months under the same conditions to see the trend move.
Frequently Asked Questions
What is an insulin resistance score?
It is a count of how many metabolic-syndrome markers fall in the abnormal range — fasting glucose, triglycerides, HDL, waist circumference, and (when entered) HOMA-IR. More flagged markers means higher metabolic risk.
How many markers indicate metabolic syndrome?
Under the IDF/AHA 2009 harmonized criteria, meeting 3 or more of the 5 criteria — waist circumference, triglycerides, HDL, fasting glucose, and blood pressure — indicates metabolic syndrome.
What thresholds does this calculator use?
It uses the IDF/AHA 2009 thresholds: waist ≥ 102 cm (men) / ≥ 88 cm (women), triglycerides ≥ 150 mg/dL, HDL < 40 (men) / < 50 (women), and fasting glucose ≥ 100 mg/dL. HOMA-IR is added when both fasting glucose and insulin are entered.
Is a high score a diagnosis?
No. It is a screening summary that flags metabolic risk. A formal diagnosis of metabolic syndrome or insulin resistance requires clinical evaluation, including blood pressure, which this tool does not capture.
Source
- Alberti KGMM et al. "Harmonizing the Metabolic Syndrome." Circulation. 2009;120(16):1640–1645.
Last reviewed: June 2025