Convert Microsieverts per hour to Grays per hour

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

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

Conversion Formula

Gy/h = µSv/h × 1.000000000e-6

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 hour

The gray per hour (Gy/h) equals 1/3600 Gy/s ≈ 2.78×10⁻⁴ Gy/s. Used in radiation processing and source strength reporting: ¹³⁷Cs irradiator calibrations are expressed in Gy/h at a reference distance; IAEA food irradiation standards cite Gy/h for conveyor output; radiobiological experiments for cancer cell survival curves use Gy/h. 1 Gy/h = 100 rad/h = 1000 mGy/h.

Quick Reference Table

Microsieverts per hour (µSv/h)Grays per hour (Gy/h)
1 µSv/h1 × 10-6 Gy/h
2 µSv/h2 × 10-6 Gy/h
5 µSv/h5 × 10-6 Gy/h
10 µSv/h1 × 10-5 Gy/h
25 µSv/h2.5 × 10-5 Gy/h
50 µSv/h5 × 10-5 Gy/h
100 µSv/h1 × 10-4 Gy/h

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