Femtosievert is 1e-15 sievert units.
Femtosievert to Attosievert
Convert Femtosievert (fSv) to Attosievert (aSv) 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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Attosievert is 1e-18 sievert units.
aSv = fSv × 1000
Results update instantly for Femtosievert to Attosievert conversions.
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Formula
1 Femtosievert = 1000 Attosievert
aSv = fSv × 1000
fSv = aSv ÷ 1000
Conversion table
| 1 fSv | 1000 aSv |
| 2 fSv | 2000 aSv |
| 5 fSv | 5000 aSv |
| 10 fSv | 10000 aSv |
| 20 fSv | 20000 aSv |
| 50 fSv | 50000 aSv |
| 100 fSv | 100000 aSv |
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Frequently asked questions
How many Attosieverts are in one Femtosievert?
One Femtosievert equals 1000 Attosieverts.
How do I convert Femtosievert to Attosievert?
Multiply the number of Femtosieverts by 1000 to get Attosieverts. To go the other way, multiply Attosieverts by 0.001 (or divide by 1000) to get Femtosieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtosievert and Attosievert, so the result shown is mathematically precise (rounded only for display).
When is Femtosievert to Attosievert 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 Attosievert 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 = 1000 Attosieverts (equivalently 1 Attosievert = 0.001 Femtosieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.