Quectosievert is 1e-30 sievert units.
Quectosieverts to Yoctosieverts Converter — qSv to ySv
Convert Quectosievert (qSv) to Yoctosievert (ySv) using the exact conversion factor (1 quectosievert = 0.000001 yoctosievert). See the formula, worked examples, and conversion table.
Quectosieverts to Yoctosieverts converter
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.
Yoctosievert is 1e-24 sievert units.
Result = input x 1e-30 / 1e-24.
Equivalent Dose units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Quectosieverts to Yoctosieverts
Quectosievert and Yoctosievert both belong to the radiation-measurement family, though radiation quantities fall into genuinely distinct categories: absorbed dose (gray, rad) measures energy deposited in matter, equivalent dose (sievert, rem) weights that for biological harm, and activity (becquerel, curie) measures how often a radioactive source decays — this page only converts between units of the same kind. Specifically: Quectosievert is 1e-30 sievert units, and yoctosievert is 1e-24 sievert units.
Formula
yoctosieverts = quectosieverts × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 quectosievert equals 1e-30 base units, and 1 yoctosievert equals 1e-24 base units, so dividing one by the other gives the direct quectosievert-to-yoctosievert factor of 0.000001.
Simple example
1 qSv × 0.000001 = 0.000001 ySv
1 quectosievert = 0.000001 yoctosieverts.
Real-world example
10 qSv × 0.000001 = 0.00001 ySv
10 quectosieverts = 0.00001 yoctosieverts.
Conversion table
| Quectosievert (qSv) | Yoctosievert (ySv) |
|---|---|
| 0.001 qSv | 1e-9 ySv |
| 0.01 qSv | 1e-8 ySv |
| 0.1 qSv | 1e-7 ySv |
| 1 qSv | 0.000001 ySv |
| 10 qSv | 0.00001 ySv |
| 100 qSv | 0.0001 ySv |
Reverse conversion: Yoctosievert to Quectosievert
0.000001 ySv × 1000000 = 1 qSv
0.000001 yoctosieverts = 1 quectosieverts.
quectosieverts = yoctosieverts × 1000000
For a page dedicated to this direction, see Yoctosievert to Quectosievert.
Understanding the Quectosievert (qSv)
Quectosievert is 1e-30 sievert units.
Understanding the Yoctosievert (ySv)
Yoctosievert is 1e-24 sievert units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yoctosieverts are in 1 quectosievert?
1 quectosievert equals 0.000001 yoctosieverts, using the exact defined conversion factor rather than an estimate.
How do I convert quectosievert to yoctosievert?
Multiply the quectosievert value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert yoctosievert back to quectosievert?
Use the reverse factor: 1 yoctosievert equals 1,000,000 quectosieverts. You can also use the swap control in the converter above to flip the direction instantly.
What is a quectosievert?
Quectosievert (qSv) is a unit of radiation.
What is a yoctosievert?
Yoctosievert (ySv) is a unit of radiation.
Is the quectosievert to yoctosievert conversion exact?
Yes. Both quectosievert and yoctosievert are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.
What's the difference between absorbed dose, equivalent dose, and activity?
Absorbed dose (gray, rad) measures the energy radiation deposits in matter. Equivalent dose (sievert, rem) adjusts that figure for how harmful different types of radiation are to biological tissue. Activity (becquerel, curie) measures how often a radioactive source decays, independent of how much dose a person actually receives from it.