Is this Warfarin Dosing Calculator free to use?

Yes, Warfarin Dosing Calculator is 100% free to use online with no installation or account required.

How do I use the Warfarin Dosing Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

Warfarin Dosing Calculator — Free Online Tool

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Estimate warfarin weekly dose from INR

Note: Adjust dose based on target INR (usually 2–3 for AF/VTE). This is a simplified adjustment guide only.

INR

Current INR

Current Weekly Dose (mg)

Target INR

⚠️ Not medical advice. For educational purposes only. Always consult a qualified healthcare professional before making health or treatment decisions.