Converter group
Radiology Converters
Radiation - Absorbed Dose Converter
Result
... Microgray = ... Gray
Find the units to convert
Microgray to Gray Converter
Use this page to convert microgray values into gray, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 µGy = 0.000001 Gy
1 Gy = 1,000,000 µGy
Example: 1 µGy = 0.000001 Gy
Microgray
One microgray is equal to one millionth of a gray (1.0E-6 grays).
History: Standard SI prefix applied to the gray.
Current use: Used for measuring very low levels of absorbed radiation and environmental doses.
Also written as µGy, uGy, micrograys.
Gray
Defined as the absorption of one joule of radiation energy per kilogram of matter.
History: Named after Louis Harold Gray, a pioneer in the field of radiobiology. Adopted by the CGPM in 1975.
Current use: The primary international unit used in radiotherapy, radiation protection, and radiobiology.
Also written as Gy, grays.
Microgray to Gray table
| Microgray [µGy] | Gray [Gy] |
|---|---|
| 0.01 µGy | 0.00000001 Gy |
| 0.1 µGy | 0.0000001 Gy |
| 1 µGy | 0.000001 Gy |
| 2 µGy | 0.000002 Gy |
| 5 µGy | 0.000005 Gy |
| 10 µGy | 0.00001 Gy |
| 20 µGy | 0.00002 Gy |
| 50 µGy | 0.00005 Gy |
| 100 µGy | 0.0001 Gy |
Frequently asked questions
How many Gray (Gy) are in one Microgray (µGy)?
One Microgray equals 0.000001 Gray.
How do you convert Microgray to Gray?
Multiply the Microgray value by 0.000001 to get the result in Gray.
How do you convert Gray back to Microgray?
Multiply the Gray value by 1,000,000 to get back to Microgray.
What is 1 Microgray in Gray?
1 Microgray equals 0.000001 Gray.