Convert Grays per minute to Milligrays per minute

Convert Grays per minute (Gy/min) to Milligrays per minute (mGy/min) instantly and accurately.

Grays per minute (Gy/min)
Milligrays per minute (mGy/min)

Conversion Formula

mGy/min = Gy/min × 1000

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 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.

Quick Reference Table

Grays per minute (Gy/min)Milligrays per minute (mGy/min)
1 Gy/min1000 mGy/min
2 Gy/min2000 mGy/min
5 Gy/min5000 mGy/min
10 Gy/min10000 mGy/min
25 Gy/min25000 mGy/min
50 Gy/min50000 mGy/min
100 Gy/min100000 mGy/min

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