Joule per Gram to Gray Conversion

Convert between Joule per Gram and Gray quickly and accurately.

J/g
Gy

How to Convert Joule per Gram to Gray

Conversion Formula

1 J/g = 1000 Gy
1 Gy = 0.001 J/g

Example

Convert 15 J/g to Gy:

15 J/g = 15 × 1000 Gy = 15000 Gy

Unit Information

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

Joule per Gram

J/g

Definition

A unit of absorbed radiation dose equal to 100,000 rad, used for high absorbed dose measurements.

History/Origin

Derived from the fundamental definition of absorbed dose as energy absorbed per unit mass.

Current Use

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

Multiplier

100000

Offset

0

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

Joule per Gram to Gray Conversion Table

Joule per Gram [J/g] Gray [Gy]
1 J/g 1000 Gy
10 J/g 10000 Gy
25 J/g 25000 Gy
50 J/g 50000 Gy
100 J/g 100000 Gy
0 J/g 0E+0 Gy
-10 J/g -10000 Gy
-40 J/g -40000 Gy