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Rad to Millisievert

Convert Rad to Millisievert and get the exact value instantly.

1 rad = 10 mSv

About this conversion

To convert Rad to Millisievert, multiply the number of Rad by 10.

Radiation dose uses sieverts and grays in SI, while older rem and rad figures persist in some fields; note that sieverts weight for biological effect whereas grays measure absorbed energy.

Conversion table

Rad (rad)Millisievert (mSv)
1 rad10 mSv
2 rad20 mSv
5 rad50 mSv
10 rad100 mSv
100 rad1000 mSv

How to use this converter

  1. Enter your Rad value

    Type any number into the Rad field. It starts at 1 so you can read the rate straight away.

  2. Read the Millisievert result

    The amount in Millisievert updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Millisievert are in one Rad?
One Rad equals 10 mSv. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Rad to Millisievert conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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