Femtosievert is 1e-15 sievert units.
Femtosievert to Rem
Convert Femtosievert (fSv) to Rem (rem) 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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Rem is 0.01 sievert.
rem = fSv × 1e-13
Results update instantly for Femtosievert to Rem conversions.
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Formula
1 Femtosievert = 1e-13 Rem
rem = fSv × 1e-13
fSv = rem ÷ 1e-13
Conversion table
| 1 fSv | 1e-13 rem |
| 2 fSv | 2e-13 rem |
| 5 fSv | 5e-13 rem |
| 10 fSv | 1e-12 rem |
| 20 fSv | 2e-12 rem |
| 50 fSv | 5e-12 rem |
| 100 fSv | 1e-11 rem |
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Frequently asked questions
How many Rems are in one Femtosievert?
One Femtosievert equals 1e-13 Rems.
How do I convert Femtosievert to Rem?
Multiply the number of Femtosieverts by 1e-13 to get Rems. To go the other way, multiply Rems by 1e+13 (or divide by 1e-13) to get Femtosieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Femtosievert and Rem, so the result shown is mathematically precise (rounded only for display).
When is Femtosievert to Rem 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 Rem 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-13 Rems (equivalently 1 Rem = 1e+13 Femtosieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.