Convert Millisieverts per hour to Milligrays per second

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

Millisieverts per hour (mSv/h)
Milligrays per second (mGy/s)

Conversion Formula

mGy/s = mSv/h × 0.0002777777778

About Millisieverts per hour

The millisievert per hour (mSv/h) equals 1e-3 Sv/h = 1e-3 Gy/h for photon radiation. Standard field survey unit in radiation protection: nuclear power plant boundary limits are stated in mSv/h; NRC and IAEA emergency alert levels for the public begin at 1 mSv/h; portable radiation survey instruments have a dedicated mSv/h range. 1 mSv/h = 1 mGy/h for photons.

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.

Quick Reference Table

Millisieverts per hour (mSv/h)Milligrays per second (mGy/s)
1 mSv/h0.000277778 mGy/s
2 mSv/h0.000555556 mGy/s
5 mSv/h0.00138889 mGy/s
10 mSv/h0.00277778 mGy/s
25 mSv/h0.00694444 mGy/s
50 mSv/h0.0138889 mGy/s
100 mSv/h0.0277778 mGy/s

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