Convert Grays per minute to Kilorads per hour
Convert Grays per minute (Gy/min) to Kilorads per hour (krad/h) instantly and accurately.
Conversion Formula
krad/h = Gy/min × 6
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 Kilorads per hour
The kilorad per hour (krad/h) equals 10 Gy/h ≈ 2.78×10⁻³ Gy/s. Used in total ionising dose (TID) testing of electronics for space and military: satellite components are irradiated at krad(Si)/h to simulate accumulated space radiation; MIL-STD-883 and ESCC 22900 specify test dose rates in krad/h. 1 krad/h = 10 Gy/h.
Quick Reference Table
| Grays per minute (Gy/min) | Kilorads per hour (krad/h) |
|---|---|
| 1 Gy/min | 6 krad/h |
| 2 Gy/min | 12 krad/h |
| 5 Gy/min | 30 krad/h |
| 10 Gy/min | 60 krad/h |
| 25 Gy/min | 150 krad/h |
| 50 Gy/min | 300 krad/h |
| 100 Gy/min | 600 krad/h |