Milligray to Petagray Conversion

Convert between Milligray and Petagray quickly and accurately.

mGy
PGy

How to Convert Milligray to Petagray

Conversion Formula

1 mGy = 1E-18 PGy
1 PGy = 1E+18 mGy

Example

Convert 15 mGy to PGy:

15 mGy = 15 × 1E-18 PGy = 2E-17 PGy

Unit Information

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

Milligray

mGy

Definition

A unit of absorbed radiation dose equal to 10^-3 gray, used for small absorbed dose measurements.

History/Origin

Part of the SI metric system, where milli- is the prefix for 10^-3, used for small quantities.

Current Use

Used in radiation therapy, medical physics, and small-dose radiation applications.

Multiplier

0.1

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

Milligray to Petagray Conversion Table

Milligray [mGy] Petagray [PGy]
1 mGy 1E-18 PGy
10 mGy 1E-17 PGy
25 mGy 2E-17 PGy
50 mGy 5E-17 PGy
100 mGy 1E-16 PGy
0 mGy 0E+0 PGy
-10 mGy -1E-17 PGy
-40 mGy -4E-17 PGy