Convert Milligray to Millisievert

Convert milligrays to millisieverts by entering a value below.

1 mGy (milligrays) = 1 mSv (millisieverts)

How to Convert Milligrays to Millisieverts

The milligray and millisievert are both units of radiation dose. By definition, 1 milligray equals exactly 1 millisieverts. This means to convert milligrays to millisieverts, you multiply by 1.

Formula

millisieverts = milligrays × 1

Step-by-Step Example

Convert 5 mGy to millisieverts:

1
Convert 5 mGy to millisieverts

We need to convert milligrays to millisieverts

2
Apply the formula

Since 1 mGy = 1 mSv, multiply by 1

5 × 1 = 5

Answer

5 mGy = 5 mSv

Milligray to Millisievert Conversion Table

Quick reference table for common milligray to millisievert conversions. Click any value for detailed calculation.

Milligrays (mGy) Millisieverts (mSv)
1 mGy 1 mSv
2 mGy 2 mSv
5 mGy 5 mSv
10 mGy 10 mSv
15 mGy 15 mSv
20 mGy 20 mSv
25 mGy 25 mSv
50 mGy 50 mSv
100 mGy 100 mSv

About These Units

Milligray (mGy)

A milligray (mGy) equals 0.001 gray or 0.1 rad. Common medical imaging doses: CT scan 10-30 mGy, mammogram 2-3 mGy, fluoroscopy 20-50 mGy. Diagnostic reference levels often specified in mGy.

Millisievert (mSv)

A millisievert (mSv) equals 0.001 sieverts or 100 mrem. Natural background: 2-3 mSv/year. CT scan: 2-15 mSv. Annual occupational limit: 20-50 mSv (varies by country). Single dose above 100 mSv increases cancer risk slightly.

Frequently Asked Questions

How do I convert milligrays to millisieverts?

To convert milligrays to millisieverts, multiply the value by 1. For example, 10 mGy = 10 mSv.

How many millisieverts are in 1 milligray?

1 milligray equals 1 millisieverts.

What is the formula for milligrays to millisieverts?

The formula is: mSv = mGy × 1.