Convert Millirads to Ergs per gram

Convert Millirads (mrad) to Ergs per gram (erg/g) instantly and accurately.

Millirads (mrad)
Ergs per gram (erg/g)

Conversion Formula

erg/g = mrad × 0.1

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 Ergs per gram

The erg per gram (erg/g) equals exactly 10⁻⁴ Gy and is the CGS-Gaussian unit of absorbed dose. Because 1 rad was originally defined as 100 erg/g, this unit is directly linked to the historical radiation system. Still found in older nuclear physics and health physics texts predating SI adoption. 1 erg/g = 10⁻⁴ Gy = 0.1 mGy.

Quick Reference Table

Millirads (mrad)Ergs per gram (erg/g)
1 mrad0.1 erg/g
2 mrad0.2 erg/g
5 mrad0.5 erg/g
10 mrad1 erg/g
25 mrad2.5 erg/g
50 mrad5 erg/g
100 mrad10 erg/g

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