Convert Microsieverts per hour to Grays per second

Convert Microsieverts per hour (µSv/h) to Grays per second (Gy/s) instantly and accurately.

Microsieverts per hour (µSv/h)
Grays per second (Gy/s)

Conversion Formula

Gy/s = µSv/h × 2.777777778e-10

About Microsieverts per hour

The microsievert per hour (µSv/h) equals 1e-6 Sv/h = 1e-6 Gy/h for photon radiation (wR = 1). The universal display unit of personal electronic dosimeters and ambient dose-equivalent rate monitors: typical outdoor background 0.08-0.3 µSv/h; IAEA precautionary action level is 100 µSv/h; occupational continuous limit ≈2.3 µSv/h. 1 µSv/h = 1 µGy/h for photons.

About Grays per second

The gray per second (Gy/s) is the SI coherent unit of absorbed dose rate, equal to 1 joule per kilogram per second, dimensionally equivalent to W/kg or m²/s³. Used in HDR brachytherapy source strength, FLASH radiotherapy research (>40 Gy/s for normal tissue sparing), and particle accelerator beam-loss dosimetry. 1 Gy/s = 60 Gy/min = 3600 Gy/h = 100 rad/s.

Quick Reference Table

Microsieverts per hour (µSv/h)Grays per second (Gy/s)
1 µSv/h2.778 × 10-10 Gy/s
2 µSv/h5.556 × 10-10 Gy/s
5 µSv/h1.389 × 10-9 Gy/s
10 µSv/h2.778 × 10-9 Gy/s
25 µSv/h6.944 × 10-9 Gy/s
50 µSv/h1.389 × 10-8 Gy/s
100 µSv/h2.778 × 10-8 Gy/s

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