Rad to Petagray Conversion

Convert between Rad and Petagray quickly and accurately.

rd
PGy

How to Convert Rad to Petagray

Conversion Formula

1 rd = 1E-17 PGy
1 PGy = 1E+17 rd

Example

Convert 15 rd to PGy:

15 rd = 15 × 1E-17 PGy = 1E-16 PGy

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

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

Rad to Petagray Conversion Table

Rad [rd] Petagray [PGy]
1 rd 1E-17 PGy
10 rd 1E-16 PGy
25 rd 3E-16 PGy
50 rd 5E-16 PGy
100 rd 1E-15 PGy
0 rd 0E+0 PGy
-10 rd -1E-16 PGy
-40 rd -4E-16 PGy