Femtosievert is 1e-15 sievert units.
Femtosievert to Rontosievert
Convert Femtosievert (fSv) 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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Rontosievert is 1e-27 sievert units.
rSv = fSv × 1e+12
Results update instantly for Femtosievert to Rontosievert conversions.
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Formula
1 Femtosievert = 1e+12 Rontosievert
rSv = fSv × 1e+12
fSv = rSv ÷ 1e+12
Conversion table
| 1 fSv | 1e+12 rSv |
| 2 fSv | 2e+12 rSv |
| 5 fSv | 5e+12 rSv |
| 10 fSv | 1e+13 rSv |
| 20 fSv | 2e+13 rSv |
| 50 fSv | 5e+13 rSv |
| 100 fSv | 1e+14 rSv |
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Frequently asked questions
How many Rontosieverts are in one Femtosievert?
One Femtosievert equals 1e+12 Rontosieverts.
How do I convert Femtosievert to Rontosievert?
Multiply the number of Femtosieverts by 1e+12 to get Rontosieverts. To go the other way, multiply Rontosieverts by 1e-12 (or divide by 1e+12) to get Femtosieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtosievert and Rontosievert, so the result shown is mathematically precise (rounded only for display).
When is Femtosievert 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
Femtosievert 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 Femtosievert = 1e+12 Rontosieverts (equivalently 1 Rontosievert = 1e-12 Femtosieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.