Convert Millirads per hour to Milligrays per minute
Convert Millirads per hour (mrad/h) to Milligrays per minute (mGy/min) instantly and accurately.
Conversion Formula
mGy/min = mrad/h × 0.0001666666667
About Millirads per hour
The millirad per hour (mrad/h) equals 1e-5 Gy/h = 10 µGy/h. Legacy US radiation protection unit used by area monitors and Geiger counters calibrated before SI adoption; EPA environmental surveillance stations report in mrad/h alongside µGy/h; NRC licence boundary dose-rate surveys often cite mrad/h. 1 mrad/h = 1e-5 Gy/h = 10 µGy/h.
About Milligrays per minute
The milligray per minute (mGy/min) equals 1e-3 Gy/min ≈ 1.67×10⁻⁵ Gy/s. Standard output unit for diagnostic X-ray tube characterisation: fluoroscopy entrance dose rates are 10-100 mGy/min; mammography units are measured in mGy/min for quality assurance; IEC and IAEA diagnostic equipment standards quote X-ray tube output in mGy/min. 1 mGy/min = 1e-3 Gy/min.
Quick Reference Table
| Millirads per hour (mrad/h) | Milligrays per minute (mGy/min) |
|---|---|
| 1 mrad/h | 0.000166667 mGy/min |
| 2 mrad/h | 0.000333333 mGy/min |
| 5 mrad/h | 0.000833333 mGy/min |
| 10 mrad/h | 0.00166667 mGy/min |
| 25 mrad/h | 0.00416667 mGy/min |
| 50 mrad/h | 0.00833333 mGy/min |
| 100 mrad/h | 0.0166667 mGy/min |