Convert Micrograys to Rads

Convert Micrograys (µGy) to Rads (rad) instantly and accurately.

Micrograys (µGy)
Rads (rad)

Conversion Formula

rad = µGy × 1.000000000e-4

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 Rads

The rad (rad) equals exactly 0.01 Gy = 100 erg/g. The pre-SI unit of absorbed dose, defined by the ICRU in 1953, still widely used in the US in radiation therapy (cGy = rad numerically), radiation biology, and NRC regulations. Whole-body 50% lethal dose (LD50) for humans ~350-450 rad. 1 rad = 0.01 Gy = 1 cGy.

Quick Reference Table

Micrograys (µGy)Rads (rad)
1 µGy1 × 10-4 rad
2 µGy0.0002 rad
5 µGy0.0005 rad
10 µGy0.001 rad
25 µGy0.0025 rad
50 µGy0.005 rad
100 µGy0.01 rad

→ Full Absorbed Dose Converter