Zettaliter is 1e+21 liter units.
Zettaliters to Zeptoliters Converter — ZL to zL
Convert Zettaliter (ZL) to Zeptoliter (zL) using the exact conversion factor (1 zettaliter = 1e+42 zeptoliter). See the formula, worked examples, and conversion table.
Zettaliters 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+18 / 1e-24.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zettaliters to Zeptoliters
Zettaliter 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: Zettaliter is 1e+21 liter units, and zeptoliter is 1e-21 liter units.
Formula
zeptoliters = zettaliters × 1e+42
This factor comes from each unit's defined relationship to the category's base unit: 1 zettaliter equals 1e+18 base units, and 1 zeptoliter equals 1e-24 base units, so dividing one by the other gives the direct zettaliter-to-zeptoliter factor of 1e+42.
Simple example
1 ZL × 1e+42 = 1e+42 zL
1 zettaliter = 1e+42 zeptoliters.
Real-world example
10 ZL × 1e+42 = 1e+43 zL
10 zettaliters = 1e+43 zeptoliters.
Conversion table
| Zettaliter (ZL) | Zeptoliter (zL) |
|---|---|
| 1 ZL | 1e+42 zL |
| 5 ZL | 5e+42 zL |
| 10 ZL | 1e+43 zL |
| 25 ZL | 2.5e+43 zL |
| 50 ZL | 5e+43 zL |
| 100 ZL | 1e+44 zL |
Reverse conversion: Zeptoliter to Zettaliter
1e+42 zL × 1e-42 = 1 ZL
1e+42 zeptoliters = 1 zettaliter.
zettaliters = zeptoliters × 1e-42
For a page dedicated to this direction, see Zeptoliter to Zettaliter.
Understanding the Zettaliter (ZL)
Zettaliter is 1e+21 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 zettaliter?
1 zettaliter equals 1e+42 zeptoliters, using the exact defined conversion factor rather than an estimate.
How do I convert zettaliter to zeptoliter?
Multiply the zettaliter value by 1e+42. The converter above does this instantly to whatever precision you set.
How do I convert zeptoliter back to zettaliter?
Use the reverse factor: 1 zeptoliter equals 1e-42 zettaliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a zettaliter?
Zettaliter (ZL) is a unit of volume.
What is a zeptoliter?
Zeptoliter (zL) is a unit of volume.
Is the zettaliter to zeptoliter conversion exact?
Yes. Both zettaliter and zeptoliter are defined by fixed standards rather than physical artifacts, so the factor of 1e+42 used above is exact to as many digits as you choose to display.