Radiation Dose Converter (Gray, Sievert, Rad, Rem)
Convert radiation dose units instantly: sievert (equivalent dose), millisievert, microsievert, rem, millirem, gray (absorbed dose, wR = 1) and more. Precise factors, all units shown at once.
| Unit | Value |
|---|---|
| sievert (equivalent dose) (Sv) | |
| millisievert (mSv) | |
| microsievert (µSv) | |
| rem (rem) | |
| millirem (mrem) | |
| gray (absorbed dose, wR = 1) (Gy) | |
| milligray (mGy) | |
| rad (rad) |
Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.
How to use the Radiation Dose Converter
- Type the value you want to convert (expressions are allowed).
- Choose the unit you are converting from.
- Read the result in every other unit in the table — it updates as you type.
About this tool
Enter a value and choose its unit; the radiation dose is converted to all 8 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).
Common conversions
| 1 Sv = 1000 mSv | 1 mSv = 0.001 Sv |
| 1 Sv = 1 000 000 µSv | 1 µSv = 0.000001 Sv |
| 1 Sv = 100 rem | 1 rem = 0.01 Sv |
| 1 Sv = 100 000 mrem | 1 mrem = 0.00001 Sv |
| 1 Sv = 1 Gy | 1 Gy = 1 Sv |
| 1 Sv = 1000 mGy | 1 mGy = 0.001 Sv |