HOMA-IR Insulin Resistance — Free Online Tool
Fasting glucose × insulin / 405
Calculate HOMA-IR (Homeostatic Model Assessment, Matthews 1985) from fasting glucose + insulin. < 1.0 ideal, > 2.5 insulin resistance flag, > 5 diabetes-likely. Public-domain formula.
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HOMA-IR Insulin Resistance Calculator
Matthews 1985 HOMA-IR formula. Standard insulin-resistance surrogate. Most US labs don't include fasting insulin by default — you have to ask.
How to use this tool
- 1
Get fasting bloodwork
Fasting glucose + fasting insulin from doctor or lab.
- 2
Calculate HOMA-IR
Glucose × Insulin / 405 (mg/dL) or × 22.5 / 405 (mmol/L).
- 3
Interpret
< 1.0 ideal, 1.0-2.5 borderline, > 2.5 IR.
Frequently Asked Questions
Why HOMA-IR?
What if my fasting insulin isn't on standard panel?
How to lower HOMA-IR?
Key Takeaways
- HOMA-IR Insulin Resistance is a free, browser-based calculator tool — fasting glucose × insulin / 405.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use HOMA-IR Insulin Resistance
- Open the tool: Launch HOMA-IR Insulin Resistance on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
HOMA-IR Insulin Resistance — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Calculator Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | HOMA-IR Insulin Resistance |
| Category | Calculator |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use HOMA-IR Insulin Resistance?
You should try HOMA-IR Insulin Resistance for a quick, private way to fasting glucose × insulin / 405. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.