Attosievert is 1e-18 sievert units.
Attosievert to Zeptosievert
Convert Attosievert (aSv) to Zeptosievert (zSv) instantly. Free online radiation converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Radiation Converter
Convert radioactivity, absorbed dose, and equivalent dose units by compatible radiation family.
Context values
Some unit families need one extra value for a physically accurate result.
Zeptosievert is 1e-21 sievert units.
zSv = aSv × 1000
Results update instantly for Attosievert to Zeptosievert conversions.
Reserved above the conversion cards and below the converter.
Formula
1 Attosievert = 1000 Zeptosievert
zSv = aSv × 1000
aSv = zSv ÷ 1000
Conversion table
| 1 aSv | 1000 zSv |
| 2 aSv | 2000 zSv |
| 5 aSv | 5000 zSv |
| 10 aSv | 10000 zSv |
| 20 aSv | 20000 zSv |
| 50 aSv | 50000 zSv |
| 100 aSv | 100000 zSv |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many Zeptosieverts are in one Attosievert?
One Attosievert equals 1000 Zeptosieverts.
How do I convert Attosievert to Zeptosievert?
Multiply the number of Attosieverts by 1000 to get Zeptosieverts. To go the other way, multiply Zeptosieverts by 0.001 (or divide by 1000) to get Attosieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Attosievert and Zeptosievert, so the result shown is mathematically precise (rounded only for display).
When is Attosievert to Zeptosievert conversion commonly used?
It is commonly used in nuclear medicine, radiation safety, health physics, and scientific research involving radioactivity and radiation dose.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
Attosievert and Zeptosievert 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 Attosievert = 1000 Zeptosieverts (equivalently 1 Zeptosievert = 0.001 Attosieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.