Convert Nanograys per hour to Milligrays per minute
Convert Nanograys per hour (nGy/h) to Milligrays per minute (mGy/min) instantly and accurately.
Conversion Formula
mGy/min = nGy/h × 1.666666667e-8
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 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.
Quick Reference Table
| Nanograys per hour (nGy/h) | Milligrays per minute (mGy/min) |
|---|---|
| 1 nGy/h | 1.667 × 10-8 mGy/min |
| 2 nGy/h | 3.333 × 10-8 mGy/min |
| 5 nGy/h | 8.333 × 10-8 mGy/min |
| 10 nGy/h | 1.667 × 10-7 mGy/min |
| 25 nGy/h | 4.167 × 10-7 mGy/min |
| 50 nGy/h | 8.333 × 10-7 mGy/min |
| 100 nGy/h | 1.667 × 10-6 mGy/min |