Convert Grays per minute to Millisieverts per hour

Convert Grays per minute (Gy/min) to Millisieverts per hour (mSv/h) instantly and accurately.

Grays per minute (Gy/min)
Millisieverts per hour (mSv/h)

Conversion Formula

mSv/h = Gy/min × 60000

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 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.

Quick Reference Table

Grays per minute (Gy/min)Millisieverts per hour (mSv/h)
1 Gy/min60000 mSv/h
2 Gy/min120000 mSv/h
5 Gy/min300000 mSv/h
10 Gy/min600000 mSv/h
25 Gy/min1500000 mSv/h
50 Gy/min3000000 mSv/h
100 Gy/min6000000 mSv/h

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