Convert Micrograys to Milligrays

Convert Micrograys (µGy) to Milligrays (mGy) instantly and accurately.

Micrograys (µGy)
Milligrays (mGy)

Conversion Formula

mGy = µGy × 0.001

About Micrograys

The microgray (µGy) equals 10⁻⁶ Gy. Typical organ doses from diagnostic X-ray procedures: chest X-ray ~0.01-0.1 µGy; mammography mean glandular dose ~1-3 mGy (i.e. 1000-3000 µGy); dental bitewing ~1-5 µGy. IAEA Safety Reports quote entrance surface doses in µGy for patient dose surveys. 1 µGy = 10⁻⁶ Gy.

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.

Quick Reference Table

Micrograys (µGy)Milligrays (mGy)
1 µGy0.001 mGy
2 µGy0.002 mGy
5 µGy0.005 mGy
10 µGy0.01 mGy
25 µGy0.025 mGy
50 µGy0.05 mGy
100 µGy0.1 mGy

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