Gray
The gray (Gy) is the unit of kerma (K) and absorbed dose (D). It is named after the English physicist Louis Harold Gray (1905 - 1965).
1 gray (Gy) = 1 joule (J) / 1 kilogram (kg)
Related units
Last modified:08 January 2026 4.01 p.m.
View this page in: Nederlands