Gray to Exagray Conversion

Convert between Gray and Exagray quickly and accurately.

Gy
EGy

How to Convert Gray to Exagray

Conversion Formula

1 Gy = 1E-18 EGy
1 EGy = 1E+18 Gy

Example

Convert 15 Gy to EGy:

15 Gy = 15 × 1E-18 EGy = 2E-17 EGy

Unit Information

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

Gray

Gy

Definition

The SI base unit of absorbed radiation dose equal to 100 rad, representing one joule of energy absorbed per kilogram of matter.

History/Origin

Named after Louis Harold Gray (1905-1965), the British physicist who made significant contributions to radiation dosimetry.

Current Use

Widely used in radiation therapy, medical physics, and radiation protection worldwide.

Multiplier

100

Offset

0

Exagray

EGy

Definition

A unit of absorbed radiation dose equal to 10^18 gray, used for extremely high absorbed dose measurements.

History/Origin

Part of the SI metric system, where exa- is the prefix for 10^18, used for extremely large quantities.

Current Use

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

Multiplier

1E+20

Offset

0

Gray to Exagray Conversion Table

Gray [Gy] Exagray [EGy]
1 Gy 1E-18 EGy
10 Gy 1E-17 EGy
25 Gy 2E-17 EGy
50 Gy 5E-17 EGy
100 Gy 1E-16 EGy
0 Gy 0E+0 EGy
-10 Gy -1E-17 EGy
-40 Gy -4E-17 EGy