Convert Rads per minute to Grays per minute
Convert Rads per minute (rad/min) to Grays per minute (Gy/min) instantly and accurately.
Conversion Formula
Gy/min = rad/min × 0.01
About Rads per minute
The rad per minute (rad/min) equals 0.01 Gy/min ≈ 1.67×10⁻⁴ Gy/s. Historically the primary US radiation therapy output unit: cobalt-60 and early linac machines from the 1960s-1980s are documented in rad/min at isocentre; radiation processing conveyor throughput calculations and legacy NIST linac calibrations use rad/min. 1 rad/min = 0.01 Gy/min = 1 cGy/min.
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.
Quick Reference Table
| Rads per minute (rad/min) | Grays per minute (Gy/min) |
|---|---|
| 1 rad/min | 0.01 Gy/min |
| 2 rad/min | 0.02 Gy/min |
| 5 rad/min | 0.05 Gy/min |
| 10 rad/min | 0.1 Gy/min |
| 25 rad/min | 0.25 Gy/min |
| 50 rad/min | 0.5 Gy/min |
| 100 rad/min | 1 Gy/min |