Convert Nanogray to Rad

Convert nanograys to rads by entering a value below.

1 nGy (nanograys) = 1e-7 rad (rads)

How to Convert Nanograys to Rads

The nanogray and rad are both units of radiation dose. By definition, 1 rad equals exactly 10000000 nanograys. This means to convert nanograys to rads, you divide by 10000000.

Formula

rads = nanograys ÷ 10000000

Step-by-Step Example

Convert 5 nGy to rads:

1
Convert 5 nGy to rads

We need to convert nanograys to rads

2
Apply the formula

Since 1 rad = 10000000 nGy, divide by 10000000

5 ÷ 10000000 = 5e-7

Answer

5 nGy = 5e-7 rad

Nanogray to Rad Conversion Table

Quick reference table for common nanogray to rad conversions. Click any value for detailed calculation.

Nanograys (nGy) Rads (rad)
0.1 nGy 1e-8 rad
0.5 nGy 5e-8 rad
1 nGy 1e-7 rad
2 nGy 2e-7 rad
5 nGy 5e-7 rad
10 nGy 1e-6 rad
25 nGy 2.5e-6 rad
50 nGy 5e-6 rad
100 nGy 1e-5 rad

About These Units

Nanogray (nGy)

A nanogray (nGy) equals 10⁻⁹ grays. Used in background radiation measurements and environmental monitoring. Natural background dose rate: 50-200 nGy/h from cosmic rays and terrestrial sources. Sensitive dosimeters measure in nGy.

Rad (rad)

The rad (Radiation Absorbed Dose) is the traditional unit of absorbed dose. One gray = 100 rads exactly. One rad = 100 ergs/gram = 0.01 J/kg. Still used in US medical and nuclear industries. One rad = one centigray = one rem for gamma/X-rays.

Frequently Asked Questions

How do I convert nanograys to rads?

To convert nanograys to rads, divide the value by 10000000. For example, 10 nGy = 1e-6 rad.

How many rads are in 1 nanogray?

1 nanogray equals 1e-7 rads.

What is the formula for nanograys to rads?

The formula is: rad = nGy ÷ 10000000.