Convert Grays per minute to Milligrays per second
Convert Grays per minute (Gy/min) to Milligrays per second (mGy/s) instantly and accurately.
Conversion Formula
mGy/s = Gy/min × 16.66666667
About Grays per minute
The gray per minute (Gy/min) is the primary clinical radiotherapy machine output unit. Standard linac dose rates are 1-6 Gy/min at isocentre; stereotactic body radiotherapy (SBRT) uses up to 10 Gy/min; ¹⁹²Ir HDR brachytherapy sources are characterised in Gy/min at 1 cm reference distance. 1 Gy/min = 100 rad/min ≈ 1.67×10⁻² Gy/s.
About Milligrays per second
The milligray per second (mGy/s) equals 1e-3 Gy/s. Used in high-dose-rate applications: medical linac output in IMRT mode is 1-5 mGy/s at isocentre; electron beam processing conveyors deliver 1-10 mGy/s; real-time diode dosimeters in linac vaults measure instantaneous dose rate in mGy/s during beam-on periods. 1 mGy/s = 0.1 rad/s = 3.6 Gy/h.
Quick Reference Table
| Grays per minute (Gy/min) | Milligrays per second (mGy/s) |
|---|---|
| 1 Gy/min | 16.6667 mGy/s |
| 2 Gy/min | 33.3333 mGy/s |
| 5 Gy/min | 83.3333 mGy/s |
| 10 Gy/min | 166.667 mGy/s |
| 25 Gy/min | 416.667 mGy/s |
| 50 Gy/min | 833.333 mGy/s |
| 100 Gy/min | 1666.67 mGy/s |