Rad to Nanogray Conversion

Convert between Rad and Nanogray quickly and accurately.

rd
nGy

How to Convert Rad to Nanogray

Conversion Formula

1 rd = 10000000 nGy
1 nGy = 1E-7 rd

Example

Convert 15 rd to nGy:

15 rd = 15 × 10000000 nGy = 150000000 nGy

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

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

Rad to Nanogray Conversion Table

Rad [rd] Nanogray [nGy]
1 rd 10000000 nGy
10 rd 100000000 nGy
25 rd 250000000 nGy
50 rd 500000000 nGy
100 rd 1000000000 nGy
0 rd 0E+0 nGy
-10 rd -100000000 nGy
-40 rd -400000000 nGy