Convert Nanograys per hour to Millisieverts per hour

Convert Nanograys per hour (nGy/h) to Millisieverts per hour (mSv/h) instantly and accurately.

Nanograys per hour (nGy/h)
Millisieverts per hour (mSv/h)

Conversion Formula

mSv/h = nGy/h × 1.000000000e-6

About Nanograys per hour

The nanogray per hour (nGy/h) equals 1e-9 Gy/h ≈ 2.78×10⁻¹³ Gy/s. Natural background cosmic-ray dose rates at sea level are 30-50 nGy/h; at aviation cruising altitude they rise to 3000-6000 nGy/h. IAEA environmental surveillance networks and national monitoring stations report ambient gamma dose rates in nGy/h. 1 nGy/h = 1e-9 Gy/h.

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

Nanograys per hour (nGy/h)Millisieverts per hour (mSv/h)
1 nGy/h1 × 10-6 mSv/h
2 nGy/h2 × 10-6 mSv/h
5 nGy/h5 × 10-6 mSv/h
10 nGy/h1 × 10-5 mSv/h
25 nGy/h2.5 × 10-5 mSv/h
50 nGy/h5 × 10-5 mSv/h
100 nGy/h0.0001 mSv/h

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