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Rad to Rem
Convert Rad to Rem and get the exact value instantly.
About this conversion
To convert Rad to Rem, multiply the number of Rad by 1.
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) | Rem (rem) |
|---|---|
| 1 rad | 1 rem |
| 2 rad | 2 rem |
| 5 rad | 5 rem |
| 10 rad | 10 rem |
| 100 rad | 100 rem |
How to use this converter
- Enter your Rad value
Type any number into the Rad field. It starts at 1 so you can read the rate straight away.
- Read the Rem result
The amount in Rem updates as you type, so there is no button to press and nothing to wait for.
- 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 Rem are in one Rad?
- One Rad equals 1 rem. 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 Rem 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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