Microsievert is 0.000001 sievert units.
Microsievert to Rontosievert
Convert Microsievert (uSv) to Rontosievert (rSv) instantly. Free online radiation converter with formulas, tables and examples.
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Convert radioactivity, absorbed dose, and equivalent dose units by compatible radiation family.
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Some unit families need one extra value for a physically accurate result.
Rontosievert is 1e-27 sievert units.
rSv = uSv × 1e+21
Results update instantly for Microsievert to Rontosievert conversions.
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Formula
1 Microsievert = 1e+21 Rontosievert
rSv = uSv × 1e+21
uSv = rSv ÷ 1e+21
Conversion table
| 1 uSv | 1e+21 rSv |
| 2 uSv | 2e+21 rSv |
| 5 uSv | 5e+21 rSv |
| 10 uSv | 1e+22 rSv |
| 20 uSv | 2e+22 rSv |
| 50 uSv | 5e+22 rSv |
| 100 uSv | 1e+23 rSv |
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Frequently asked questions
How many Rontosieverts are in one Microsievert?
One Microsievert equals 1e+21 Rontosieverts.
How do I convert Microsievert to Rontosievert?
Multiply the number of Microsieverts by 1e+21 to get Rontosieverts. To go the other way, multiply Rontosieverts by 1e-21 (or divide by 1e+21) to get Microsieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Microsievert and Rontosievert, so the result shown is mathematically precise (rounded only for display).
When is Microsievert to Rontosievert conversion commonly used?
It is commonly used in nuclear medicine, radiation safety, health physics, and scientific research involving radioactivity and radiation dose.
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About this conversion
Microsievert and Rontosievert are units used in the radiation family of measurements. Both units measure equivalent radiation dose (biological risk-weighted dose). This converter uses the precise relationship 1 Microsievert = 1e+21 Rontosieverts (equivalently 1 Rontosievert = 1e-21 Microsieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.