Convert Nanograys per hour to Millisieverts per hour
Convert Nanograys per hour (nGy/h) to Millisieverts per hour (mSv/h) instantly and accurately.
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/h | 1 × 10-6 mSv/h |
| 2 nGy/h | 2 × 10-6 mSv/h |
| 5 nGy/h | 5 × 10-6 mSv/h |
| 10 nGy/h | 1 × 10-5 mSv/h |
| 25 nGy/h | 2.5 × 10-5 mSv/h |
| 50 nGy/h | 5 × 10-5 mSv/h |
| 100 nGy/h | 0.0001 mSv/h |