Formula
Gy to nGy conversion formula
Use this relationship for a direct conversion:
Worked example
2 Gy = 1,999,999,999.9999997616 nGy.
This converter is for absorbed dose only; it does not calculate biological equivalent dose.
Absorbed Radiation Dose conversion
1 gray (Gy) equals 999,999,999.999999880791 nanogray (nGy). Enter any value below to convert from Gy to nGy.
Enter a value and choose units. Results update instantly.
1 Gy = 999,999,999.9999998808 nGy
| Unit | Value |
|---|---|
| Nanogray nGy | 999,999,999.9999998808 |
| Microgray μGy | 1,000,000 |
| Milligray mGy | 1,000 |
| Gray Gy | 1 |
| Kilogray kGy | 0.001 |
| Rad rad | 100 |
Formula
Use this relationship for a direct conversion:
2 Gy = 1,999,999,999.9999997616 nGy.
This converter is for absorbed dose only; it does not calculate biological equivalent dose.
Quick reference
| Gray (Gy) | Nanogray (nGy) |
|---|---|
| 0.01 | 10,000,000 |
| 0.1 | 100,000,000 |
| 1 | 999,999,999.9999998808 |
| 2 | 1,999,999,999.9999997616 |
| 5 | 5,000,000,000 |
| 10 | 10,000,000,000 |
| 25 | 25,000,000,000 |
| 50 | 50,000,000,000 |
| 100 | 100,000,000,000 |
| 1,000 | 999,999,999,999.9998779297 |
From unit
One joule of absorbed energy per kilogram.
Symbol: Gy
To unit
One billionth of a gray.
Symbol: nGy
Keep converting
Source
Definitions are checked against BIPM SI Brochure: gray. Calculations use full internal precision before display rounding.
View the complete absorbed radiation dose converterQuestions
Use the formula nGy = Gy x 999,999,999.999999880791. 1 gray (Gy) equals 999,999,999.999999880791 nanogray (nGy).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.