Convert Grays per minute to Rads per minute
Convert Grays per minute (Gy/min) to Rads per minute (rad/min) instantly and accurately.
Conversion Formula
rad/min = Gy/min × 100
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 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.
Quick Reference Table
| Grays per minute (Gy/min) | Rads per minute (rad/min) |
|---|---|
| 1 Gy/min | 100 rad/min |
| 2 Gy/min | 200 rad/min |
| 5 Gy/min | 500 rad/min |
| 10 Gy/min | 1000 rad/min |
| 25 Gy/min | 2500 rad/min |
| 50 Gy/min | 5000 rad/min |
| 100 Gy/min | 10000 rad/min |