Gray to Nanogray Conversion

Convert between Gray and Nanogray quickly and accurately.

Gy
nGy

How to Convert Gray to Nanogray

Conversion Formula

1 Gy = 1000000000 nGy
1 nGy = 1E-9 Gy

Example

Convert 15 Gy to nGy:

15 Gy = 15 × 1000000000 nGy = 15000000000 nGy

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

Nanogray

nGy

Definition

A unit of absorbed radiation dose equal to 10^-9 gray, used for extremely small absorbed dose measurements.

History/Origin

Part of the SI metric system, where nano- is the prefix for 10^-9, used for extremely small quantities.

Current Use

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

Multiplier

1E-7

Offset

0

Gray to Nanogray Conversion Table

Gray [Gy] Nanogray [nGy]
1 Gy 1000000000 nGy
10 Gy 10000000000 nGy
25 Gy 25000000000 nGy
50 Gy 50000000000 nGy
100 Gy 100000000000 nGy
0 Gy 0E+0 nGy
-10 Gy -10000000000 nGy
-40 Gy -40000000000 nGy