Convert Millirads to Megarads

Convert Millirads (mrad) to Megarads (Mrad) instantly and accurately.

Millirads (mrad)
Megarads (Mrad)

Conversion Formula

Mrad = mrad × 1.000000000e-9

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 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

Millirads (mrad)Megarads (Mrad)
1 mrad1 × 10-9 Mrad
2 mrad2 × 10-9 Mrad
5 mrad5 × 10-9 Mrad
10 mrad1 × 10-8 Mrad
25 mrad2.5 × 10-8 Mrad
50 mrad5 × 10-8 Mrad
100 mrad1 × 10-7 Mrad

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