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INR Calculator

Calculate INR from patient PT, control PT, and ISI to standardize clotting results across labs. Educational only, not treatment advice.

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Last updated: February 25, 2026

Created by: Eon Tools Dev Team

Reviewed by: Dr. Ashish Lamichhane





Dr. Ashish Lamichhane

Dr. Ashish Lamichhane is an MBBS doctor currently serving as an ASBA medical officer and hospital chief, with a background in general medicine and clinical practice. His work brings real world medical perspective to health related calculation tools and everyday decision support utilities. At Eon Tools, he reviews health tools.