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Radiation Absorption Conversions

The SI unit of Absorbed Radiation dose (e.g. x-rays) is the Gray (symbol: Gy) named after British physicist Louis Harold Gray. It replaces the Centimetre-Gram-Second (cgs) unit, the Rad, and is defined as:

The absorption of one joule of ionizing radiation by one kilogram of matter (usually human tissue)

More Radiation aborptions units are shown below...