Convert Milligrays to Millirads
Convert Milligrays (mGy) to Millirads (mrad) instantly and accurately.
Conversion Formula
mrad = mGy × 100
About Milligrays
The milligray (mGy) equals 10⁻³ Gy and is the standard unit for diagnostic radiology patient doses. CT head scan ~20-60 mGy; abdominal CT ~10-30 mGy; mammography mean glandular dose ~1-3 mGy. IAEA and EU medical exposure directives set diagnostic reference levels in mGy. 1 mGy = 10⁻³ Gy = 0.1 rad.
About Millirads
The millirad (mrad) equals 10⁻³ rad = 10⁻⁵ Gy = 10 µGy. Older US health physics reports and NRC licence conditions quote occupational extremity doses in mrad; some film badge dosimetry reports still use mrad for historical continuity. 1 mrad = 10⁻³ rad = 10⁻⁵ Gy = 10 µGy.
Quick Reference Table
| Milligrays (mGy) | Millirads (mrad) |
|---|---|
| 1 mGy | 100 mrad |
| 2 mGy | 200 mrad |
| 5 mGy | 500 mrad |
| 10 mGy | 1000 mrad |
| 25 mGy | 2500 mrad |
| 50 mGy | 5000 mrad |
| 100 mGy | 10000 mrad |