Millirad to Petagray Conversion

Convert between Millirad and Petagray quickly and accurately.

mrd
PGy

How to Convert Millirad to Petagray

Conversion Formula

1 mrd = 1E-20 PGy
1 PGy = 1E+20 mrd

Example

Convert 15 mrd to PGy:

15 mrd = 15 × 1E-20 PGy = 1E-19 PGy

Unit Information

Learn about the radiation absorbed dose units you're converting between

Millirad

mrd

Definition

A unit of absorbed radiation dose equal to 0.001 rad, used for small absorbed dose measurements.

History/Origin

Derived from the rad unit with the milli- prefix, used for small absorbed dose measurements.

Current Use

Used in radiation protection, environmental monitoring, and low-level radiation measurements.

Multiplier

0.001

Offset

0

Petagray

PGy

Definition

A unit of absorbed radiation dose equal to 10^15 gray, used for very high absorbed dose measurements.

History/Origin

Part of the SI metric system, where peta- is the prefix for 10^15, used for very large quantities.

Current Use

Used in theoretical physics and very high-dose radiation applications.

Multiplier

1E+17

Offset

0

Millirad to Petagray Conversion Table

Millirad [mrd] Petagray [PGy]
1 mrd 1E-20 PGy
10 mrd 1E-19 PGy
25 mrd 3E-19 PGy
50 mrd 5E-19 PGy
100 mrd 1E-18 PGy
0 mrd 0E+0 PGy
-10 mrd -1E-19 PGy
-40 mrd -4E-19 PGy