Convert Grays per minute to Millisieverts per hour
Convert Grays per minute (Gy/min) to Millisieverts per hour (mSv/h) instantly and accurately.
Conversion Formula
mSv/h = Gy/min × 60000
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 Millisieverts per hour
The millisievert per hour (mSv/h) equals 1e-3 Sv/h = 1e-3 Gy/h for photon radiation. Standard field survey unit in radiation protection: nuclear power plant boundary limits are stated in mSv/h; NRC and IAEA emergency alert levels for the public begin at 1 mSv/h; portable radiation survey instruments have a dedicated mSv/h range. 1 mSv/h = 1 mGy/h for photons.
Quick Reference Table
| Grays per minute (Gy/min) | Millisieverts per hour (mSv/h) |
|---|---|
| 1 Gy/min | 60000 mSv/h |
| 2 Gy/min | 120000 mSv/h |
| 5 Gy/min | 300000 mSv/h |
| 10 Gy/min | 600000 mSv/h |
| 25 Gy/min | 1500000 mSv/h |
| 50 Gy/min | 3000000 mSv/h |
| 100 Gy/min | 6000000 mSv/h |