About ICRU

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

Current Program

Current Events

Gray Medal Awarded

Professor Willi Kalender was awarded the 16th Gray Medal for his outstanding contributions to the field of medical imaging. The medal was presented to him on 3 September 2013 by the ICRU Chairman Hans Menzel, during the 20th International Conference on Medical Physics in Brighton, United Kingdom. The title of Professor Kalender's award presentation was "New Horizons in Computed Tomography."

2013 Annual Meeting

ICRU Report Committee 25 publishes article

Chairman's Message

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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