Convert Microsievert to Milligray

Type the number of microsieverts that you wish to convert to milligrays.

1 μSv (microsieverts) = 0.001 mGy (milligrays)

How to Convert Microsieverts to Milligrays

The microsievert and milligray are both units of radiation dose. By definition, 1 milligray equals exactly 1000 microsieverts. This means to convert microsieverts to milligrays, you divide by 1000.

Formula

milligrays = microsieverts ÷ 1000

Step-by-Step Example

Convert 5 μSv to milligrays:

1
Convert 5 μSv to milligrays

We need to convert microsieverts to milligrays

2
Apply the formula

Since 1 mGy = 1000 μSv, divide by 1000

5 ÷ 1000 = 0.005

Answer

5 μSv = 0.005 mGy

Microsievert to Milligray Conversion Table

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

Microsieverts (μSv) Milligrays (mGy)
0.1 μSv 1e-4 mGy
0.5 μSv 0.0005 mGy
1 μSv 0.001 mGy
2 μSv 0.002 mGy
5 μSv 0.005 mGy
10 μSv 0.01 mGy
25 μSv 0.025 mGy
50 μSv 0.05 mGy
100 μSv 0.1 mGy

About These Units

Microsievert (μSv)

A microsievert (μSv) equals 0.001 mSv or 0.1 mrem. Common exposures: dental X-ray ~5 μSv, chest X-ray 20 μSv, transatlantic flight 40-80 μSv, banana (K-40) 0.1 μSv. Most radiation meters display μSv/h for environmental monitoring.

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.

Frequently Asked Questions

How do I convert microsieverts to milligrays?

To convert microsieverts to milligrays, divide the value by 1000. For example, 10 μSv = 0.01 mGy.

How many milligrays are in 1 microsievert?

1 microsievert equals 0.001 milligrays.

What is the formula for microsieverts to milligrays?

The formula is: mGy = μSv ÷ 1000.