Convert Millirads to Microrads

Convert Millirads (mrad) to Microrads (µrad) instantly and accurately.

Millirads (mrad)
Microrads (µrad)

Conversion Formula

µrad = mrad × 1000

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.

About Microrads

The microrad (µrad) equals 10⁻⁶ rad = 10⁻⁸ Gy. Used in legacy US radiological instrumentation calibration documentation for very low-level survey instrument thresholds; some older NRC and EPA radiation protection records quote environmental dose rates in µrad/h when modern instruments report nGy/h. 1 µrad = 10⁻⁸ Gy = 10⁻² µGy.

Quick Reference Table

Millirads (mrad)Microrads (µrad)
1 mrad1000 µrad
2 mrad2000 µrad
5 mrad5000 µrad
10 mrad10000 µrad
25 mrad25000 µrad
50 mrad50000 µrad
100 mrad100000 µrad

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