Convert Rads per minute to Millisieverts per hour

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

Rads per minute (rad/min)
Millisieverts per hour (mSv/h)

Conversion Formula

mSv/h = rad/min × 600

About Rads per minute

The rad per minute (rad/min) equals 0.01 Gy/min ≈ 1.67×10⁻⁴ Gy/s. Historically the primary US radiation therapy output unit: cobalt-60 and early linac machines from the 1960s-1980s are documented in rad/min at isocentre; radiation processing conveyor throughput calculations and legacy NIST linac calibrations use rad/min. 1 rad/min = 0.01 Gy/min = 1 cGy/min.

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

Rads per minute (rad/min)Millisieverts per hour (mSv/h)
1 rad/min600 mSv/h
2 rad/min1200 mSv/h
5 rad/min3000 mSv/h
10 rad/min6000 mSv/h
25 rad/min15000 mSv/h
50 rad/min30000 mSv/h
100 rad/min60000 mSv/h

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