Convert Microgray to Gray
Live bidirectional calculator for Micrograys (μGy) and Grays (Gy) with verified formula and conversion charts.
Absorbed Radiation Dose4 units
How the Calculation Works (Linear Scaling)
Since 1 Gray = 1000000 Micrograys, divide the value in Micrograys by 1000000.
Microgray to Gray Conversion Table
Precomputed values for quick reference and printing.
| Microgray | Gray |
|---|---|
| 1 μGy | 1e-6 Gy |
| 2 μGy | 2e-6 Gy |
| 3 μGy | 3e-6 Gy |
| 4 μGy | 4e-6 Gy |
| 5 μGy | 5e-6 Gy |
| 6 μGy | 6e-6 Gy |
| 7 μGy | 7e-6 Gy |
| 8 μGy | 8e-6 Gy |
| 9 μGy | 9e-6 Gy |
| 10 μGy | 1e-5 Gy |
| 15 μGy | 1.5e-5 Gy |
| 20 μGy | 2e-5 Gy |
| 25 μGy | 2.5e-5 Gy |
| 30 μGy | 3e-5 Gy |
| 40 μGy | 4e-5 Gy |
| 50 μGy | 5e-5 Gy |
| 75 μGy | 7.5e-5 Gy |
| 100 μGy | 1e-4 Gy |
| Gray | Microgray |
|---|---|
| 1 Gy | 1000000 μGy |
| 2 Gy | 2000000 μGy |
| 3 Gy | 3000000 μGy |
| 4 Gy | 4000000 μGy |
| 5 Gy | 5000000 μGy |
| 6 Gy | 6000000 μGy |
| 7 Gy | 7000000 μGy |
| 8 Gy | 8000000 μGy |
| 9 Gy | 9000000 μGy |
| 10 Gy | 10000000 μGy |
| 15 Gy | 15000000 μGy |
| 20 Gy | 20000000 μGy |
| 25 Gy | 25000000 μGy |
| 30 Gy | 30000000 μGy |
| 40 Gy | 40000000 μGy |
| 50 Gy | 50000000 μGy |
| 75 Gy | 75000000 μGy |
| 100 Gy | 100000000 μGy |
About Microgray (μGy)
One millionth of a gray (10⁻⁶ Gy = 1 μJ/kg).
History: Submultiple used in environmental radiation dosimetry and low-dose background monitoring.
Common Uses: Standard chest X-ray organ absorbed dose (~20–100 μGy), environmental gamma background rate logging.
About Gray (Gy)
The SI coherent derived unit of absorbed radiation dose, defined as the absorption of 1 joule of ionizing radiation energy per kilogram of matter (1 Gy = 1 J/kg).
History: Named in 1975 after British radiobiologist Louis Harold Gray (1905–1965), pioneer in the measurement of radiation absorption in biological tissue.
Common Uses: Radiation oncology treatment dose prescriptions (e.g. 50–70 Gy tumor dose), industrial radiation crosslinking, food irradiation processing.
❓ Frequently Asked Questions
How many Grays are in 1 Microgray?
There are exactly 0.000001 Grays in 1 Microgray (1 μGy = 0.000001 Gy).
What is the formula to convert Microgray to Gray?
The formula is: Gray = Microgray / 1000000. Since 1 Gray = 1000000 Micrograys, divide the value in Micrograys by 1000000.
How do I convert 1 μGy to Gy manually?
To convert 1 μGy to Gy: apply the formula Gray = Microgray / 1000000. Substituting gives: 1 / 1000000 = 1e-6 Gy.