Milligray to Attogray Conversion

Convert between Milligray and Attogray quickly and accurately.

mGy
aGy

How to Convert Milligray to Attogray

Conversion Formula

1 mGy = 1E+15 aGy
1 aGy = 1E-15 mGy

Example

Convert 15 mGy to aGy:

15 mGy = 15 × 1E+15 aGy = 2E+16 aGy

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

Attogray

aGy

Definition

A unit of absorbed radiation dose equal to 10^-18 gray, used for ultra-small absorbed dose measurements.

History/Origin

Part of the SI metric system, where atto- is the prefix for 10^-18, used for ultra-small quantities.

Current Use

Used in radiation protection, environmental monitoring, and ultra-small-dose radiation measurements.

Multiplier

1E-16

Offset

0

Milligray to Attogray Conversion Table

Milligray [mGy] Attogray [aGy]
1 mGy 1E+15 aGy
10 mGy 1E+16 aGy
25 mGy 2E+16 aGy
50 mGy 5E+16 aGy
100 mGy 1E+17 aGy
0 mGy 0E+0 aGy
-10 mGy -1E+16 aGy
-40 mGy -4E+16 aGy