Convert Milligrays to Megarads
Convert Milligrays (mGy) to Megarads (Mrad) instantly and accurately.
Conversion Formula
Mrad = mGy × 1.000000000e-7
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 Megarads
The megarad (Mrad) equals 10⁶ rad = 10⁴ Gy. Used in radiation hardening of electronics and wire/cable insulation: cross-linked polyethylene (XLPE) cable insulation is cured at 5-20 Mrad; some legacy radiation hardness assurance (RHA) test reports for space electronics quote doses in Mrad(Si). 1 Mrad = 10⁴ Gy = 10 kGy.
Quick Reference Table
| Milligrays (mGy) | Megarads (Mrad) |
|---|---|
| 1 mGy | 1 × 10-7 Mrad |
| 2 mGy | 2 × 10-7 Mrad |
| 5 mGy | 5 × 10-7 Mrad |
| 10 mGy | 1 × 10-6 Mrad |
| 25 mGy | 2.5 × 10-6 Mrad |
| 50 mGy | 5 × 10-6 Mrad |
| 100 mGy | 1 × 10-5 Mrad |