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Absorbed Dose, Specific Energy Imparted, and Kerma

Characteristic

gray

Notes

Symbol

Gy

Metric (SI) Equivalent

gray is a metric unit (in fact, it is a derived SI unit)

Other Metric (SI) Equivalents with More Basic Units

1 joule / kilogram

1 meter2 / second2

Metric (SI) Dimensions

length2 × time-2

Characteristic

radiation-absorbed-dose

Notes

Symbol

rad

Metric (SI) Equivalent

1 centigray

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

1 centijoule / kilogram

0.01 meters2 / second2

Metric (SI) Dimensions

length2 × time-2