Convert Milligrays per second to Rads per hour

Convert Milligrays per second (mGy/s) to Rads per hour (rad/h) instantly and accurately.

Milligrays per second (mGy/s)
Rads per hour (rad/h)

Conversion Formula

rad/h = mGy/s × 360

About Milligrays per second

The milligray per second (mGy/s) equals 1e-3 Gy/s. Used in high-dose-rate applications: medical linac output in IMRT mode is 1-5 mGy/s at isocentre; electron beam processing conveyors deliver 1-10 mGy/s; real-time diode dosimeters in linac vaults measure instantaneous dose rate in mGy/s during beam-on periods. 1 mGy/s = 0.1 rad/s = 3.6 Gy/h.

About Rads per hour

The rad per hour (rad/h) equals 0.01 Gy/h ≈ 2.78×10⁻⁶ Gy/s. Standard unit on US emergency dosimetry instruments and civil defense survey meters; Chernobyl sarcophagus contact dose rates were hundreds of rad/h; criticality accident dosimetry and NRC incident reports continue to evaluate dose rates in rad/h. 1 rad/h = 0.01 Gy/h = 10 mGy/h.

Quick Reference Table

Milligrays per second (mGy/s)Rads per hour (rad/h)
1 mGy/s360 rad/h
2 mGy/s720 rad/h
5 mGy/s1800 rad/h
10 mGy/s3600 rad/h
25 mGy/s9000 rad/h
50 mGy/s18000 rad/h
100 mGy/s36000 rad/h

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