Convert Milligrays per minute to Millirads per hour

Convert Milligrays per minute (mGy/min) to Millirads per hour (mrad/h) instantly and accurately.

Milligrays per minute (mGy/min)
Millirads per hour (mrad/h)

Conversion Formula

mrad/h = mGy/min × 6000

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.

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.

Quick Reference Table

Milligrays per minute (mGy/min)Millirads per hour (mrad/h)
1 mGy/min6000 mrad/h
2 mGy/min12000 mrad/h
5 mGy/min30000 mrad/h
10 mGy/min60000 mrad/h
25 mGy/min150000 mrad/h
50 mGy/min300000 mrad/h
100 mGy/min600000 mrad/h

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