Convert Grays per minute to Rads per second

Convert Grays per minute (Gy/min) to Rads per second (rad/s) instantly and accurately.

Grays per minute (Gy/min)
Rads per second (rad/s)

Conversion Formula

rad/s = Gy/min × 1.666666667

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 Rads per second

The rad per second (rad/s) equals 0.01 Gy/s. Used in US radiation therapy physics and pulsed accelerator dosimetry: FLASH radiotherapy (FLASH-RT) research defines ultra-high dose rate as >40 Gy/s = 4000 rad/s; linac prompt radiation dose rates during pulsed operation are characterised in rad/s; nuclear detonation prompt gamma fields are described in rad/s. 1 rad/s = 0.01 Gy/s = 1 cGy/s.

Quick Reference Table

Grays per minute (Gy/min)Rads per second (rad/s)
1 Gy/min1.66667 rad/s
2 Gy/min3.33333 rad/s
5 Gy/min8.33333 rad/s
10 Gy/min16.6667 rad/s
25 Gy/min41.6667 rad/s
50 Gy/min83.3333 rad/s
100 Gy/min166.667 rad/s

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