Femtosievert is 1e-15 sievert units.
Femtosievert to Microsievert
Convert Femtosievert (fSv) to Microsievert (uSv) 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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Microsievert is 0.000001 sievert units.
uSv = fSv × 1e-9
Results update instantly for Femtosievert to Microsievert conversions.
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Formula
1 Femtosievert = 1e-9 Microsievert
uSv = fSv × 1e-9
fSv = uSv ÷ 1e-9
Conversion table
| 1 fSv | 1e-9 uSv |
| 2 fSv | 2e-9 uSv |
| 5 fSv | 5e-9 uSv |
| 10 fSv | 1e-8 uSv |
| 20 fSv | 2e-8 uSv |
| 50 fSv | 5e-8 uSv |
| 100 fSv | 1e-7 uSv |
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Frequently asked questions
How many Microsieverts are in one Femtosievert?
One Femtosievert equals 1e-9 Microsieverts.
How do I convert Femtosievert to Microsievert?
Multiply the number of Femtosieverts by 1e-9 to get Microsieverts. To go the other way, multiply Microsieverts by 1e+9 (or divide by 1e-9) to get Femtosieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtosievert and Microsievert, so the result shown is mathematically precise (rounded only for display).
When is Femtosievert to Microsievert 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 Microsievert 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-9 Microsieverts (equivalently 1 Microsievert = 1e+9 Femtosieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.