About ICRU

For nearly 90 years, ICRU has established international standards for radiation units & measurement.

Current Program

Current Events

20th Gray Medal Recipient Selected

The International Commission on Radiation Units and Measurements (ICRU) is pleased to announce that the 20th Gray Medal will be presented to Dr. Eleanor Blakely.

2018 Commission Meeting

19th Gray Medal Awarded

90th Anniversary Celebration

About ICRU

Mission Statement

To develop and promulgate internationally accepted recommendations on radiation related quantities and units, terminology, measurement procedures, and reference data for the safe and efficient application of ionizing radiation to medical diagnosis and therapy, radiation science and technology, and radiation protection of individuals and populations.

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