Convert Milligrays per minute to Nanograys per hour
Convert Milligrays per minute (mGy/min) to Nanograys per hour (nGy/h) instantly and accurately.
Conversion Formula
nGy/h = mGy/min × 60000000
About Milligrays per minute
The milligray per minute (mGy/min) equals 1e-3 Gy/min ≈ 1.67×10⁻⁵ Gy/s. Standard output unit for diagnostic X-ray tube characterisation: fluoroscopy entrance dose rates are 10-100 mGy/min; mammography units are measured in mGy/min for quality assurance; IEC and IAEA diagnostic equipment standards quote X-ray tube output in mGy/min. 1 mGy/min = 1e-3 Gy/min.
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.
Quick Reference Table
| Milligrays per minute (mGy/min) | Nanograys per hour (nGy/h) |
|---|---|
| 1 mGy/min | 60000000 nGy/h |
| 2 mGy/min | 120000000 nGy/h |
| 5 mGy/min | 300000000 nGy/h |
| 10 mGy/min | 600000000 nGy/h |
| 25 mGy/min | 1.5 × 109 nGy/h |
| 50 mGy/min | 3 × 109 nGy/h |
| 100 mGy/min | 6 × 109 nGy/h |