INR Calculator

Calculate the INR of a patient by entering their prothrombin time. NOTE: Our tools are designed to help solve problems, if you think you are experiencing any type of medical issue see a licensed medical professional as soon as possible.

Required Information

INR Result:

What is International Normalized Ratio (INR)?

INR is essentially a test, it is used to see how long it takes for blood to clot for a patient. A normal rating for this is 1.0, each increase of 0.1 indicates that the blood is slightly thinner.

International Normalized Ratio (INR) - Frequently Asked Questions

According to Mayo Clinic, an INR of 1.1 or lower is normal for a healthy individual.

According to sources such as the NHS, if your INR is high you should eat foods with vitamin K This is done to help your body regulate your INR level.

Create Date: August 22, 2024

Last Modified Date: August 22, 2024

Related Calculators

Total Body Water Calculator

Calculate how much water is in your body with this free tool.

Waist To Hip Ratio Calculator

Calculate the ratio between your waist and hip.

Conception Date Calculator

Calculate the estimated date of conception of a pregnant person based on their due date.