Yoctoliter is 1e-24 liter units.
Yoctoliters to Zeptoliters Converter — yL to zL
Convert Yoctoliter (yL) to Zeptoliter (zL) using the exact conversion factor (1 yoctoliter = 0.001 zeptoliter). See the formula, worked examples, and conversion table.
Yoctoliters to Zeptoliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Zeptoliter is 1e-21 liter units.
Result = input x 1e-27 / 1e-24.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yoctoliters to Zeptoliters
Yoctoliter and Zeptoliter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: Yoctoliter is 1e-24 liter units, and zeptoliter is 1e-21 liter units.
Formula
zeptoliters = yoctoliters × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctoliter equals 1e-27 base units, and 1 zeptoliter equals 1e-24 base units, so dividing one by the other gives the direct yoctoliter-to-zeptoliter factor of 0.001.
Simple example
1 yL × 0.001 = 0.001 zL
1 yoctoliter = 0.001 zeptoliters.
Real-world example
10 yL × 0.001 = 0.01 zL
10 yoctoliters = 0.01 zeptoliters.
Conversion table
| Yoctoliter (yL) | Zeptoliter (zL) |
|---|---|
| 1 yL | 0.001 zL |
| 5 yL | 0.005 zL |
| 10 yL | 0.01 zL |
| 25 yL | 0.025 zL |
| 50 yL | 0.05 zL |
| 100 yL | 0.1 zL |
Reverse conversion: Zeptoliter to Yoctoliter
0.001 zL × 1000 = 1 yL
0.001 zeptoliters = 1 yoctoliter.
yoctoliters = zeptoliters × 1000
For a page dedicated to this direction, see Zeptoliter to Yoctoliter.
Understanding the Yoctoliter (yL)
Yoctoliter is 1e-24 liter units.
Understanding the Zeptoliter (zL)
Zeptoliter is 1e-21 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many zeptoliters are in 1 yoctoliter?
1 yoctoliter equals 0.001 zeptoliters, using the exact defined conversion factor rather than an estimate.
How do I convert yoctoliter to zeptoliter?
Multiply the yoctoliter value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert zeptoliter back to yoctoliter?
Use the reverse factor: 1 zeptoliter equals 1,000 yoctoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a yoctoliter?
Yoctoliter (yL) is a unit of volume.
What is a zeptoliter?
Zeptoliter (zL) is a unit of volume.
Is the yoctoliter to zeptoliter conversion exact?
Yes. Both yoctoliter and zeptoliter are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.