Zettasieverts: conversions & definition
Zettasieverts (ZSv) represent equivalent dose units. One unit equals 10^21 Sv. The sievert is the SI unit used for radiation protection quantities such as equivalent and effective dose.
Choose the unit you need
Each row converts one ZSv. Open a converter to enter any value and see its formula, worked example and reference table. Results below are rounded to 10 significant digits.
| Convert to | Equivalent value | Calculator |
|---|---|---|
| Sieverts (Sv) | ≈ 1e+21 | Convert ZSv to Sv |
| Millisieverts (mSv) | ≈ 1e+24 | Convert ZSv to mSv |
| Kilosieverts (kSv) | ≈ 1e+18 | Convert ZSv to kSv |
| Microsieverts (µSv) | ≈ 1e+27 | Convert ZSv to µSv |
| Megasieverts (MSv) | ≈ 1e+15 | Convert ZSv to MSv |
| Nanosieverts (nSv) | ≈ 1e+30 | Convert ZSv to nSv |
| Gigasieverts (GSv) | ≈ 1e+12 | Convert ZSv to GSv |
| Centisieverts (cSv) | ≈ 1e+23 | Convert ZSv to cSv |
| Decisieverts (dSv) | ≈ 1e+22 | Convert ZSv to dSv |
| Hectosieverts (hSv) | ≈ 1e+19 | Convert ZSv to hSv |
| Decasieverts (daSv) | ≈ 1e+20 | Convert ZSv to daSv |
| Picosieverts (pSv) | ≈ 1e+33 | Convert ZSv to pSv |
| Terasieverts (TSv) | ≈ 1,000,000,000 | Convert ZSv to TSv |
| Femtosieverts (fSv) | ≈ 1e+36 | Convert ZSv to fSv |
| Petasieverts (PSv) | ≈ 1,000,000 | Convert ZSv to PSv |
| Attosieverts (aSv) | ≈ 1e+39 | Convert ZSv to aSv |
| Exasieverts (ESv) | ≈ 1,000 | Convert ZSv to ESv |
| Zeptosieverts (zSv) | ≈ 1e+42 | Convert ZSv to zSv |
| Yoctosieverts (ySv) | ≈ 1e+45 | Convert ZSv to ySv |
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