Rad to Attogray Conversion

Convert between Rad and Attogray quickly and accurately.

rd
aGy

How to Convert Rad to Attogray

Conversion Formula

1 rd = 1E+16 aGy
1 aGy = 1E-16 rd

Example

Convert 15 rd to aGy:

15 rd = 15 × 1E+16 aGy = 2E+17 aGy

Unit Information

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

Rad

rd

Definition

A unit of absorbed radiation dose equal to 0.01 gray, representing the amount of energy deposited in matter by ionizing radiation.

History/Origin

Acronym for "radiation absorbed dose", introduced in the 1950s for measuring radiation absorbed dose in biological tissue.

Current Use

Widely used in radiation therapy, medical physics, and radiation protection, particularly in the United States.

Multiplier

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

Rad to Attogray Conversion Table

Rad [rd] Attogray [aGy]
1 rd 1E+16 aGy
10 rd 1E+17 aGy
25 rd 2E+17 aGy
50 rd 5E+17 aGy
100 rd 1E+18 aGy
0 rd 0E+0 aGy
-10 rd -1E+17 aGy
-40 rd -4E+17 aGy