Zeptoliter is 1e-21 liter units.
Zeptoliters to Picoliters Converter — zL to pL
Convert Zeptoliter (zL) to Picoliter (pL) using the exact conversion factor (1 zeptoliter = 1e-9 picoliter). See the formula, worked examples, and conversion table.
Zeptoliters to Picoliters 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.
Picoliter is 1e-12 liter units.
Result = input x 1e-24 / 1e-15.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zeptoliters to Picoliters
Zeptoliter and Picoliter 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: Zeptoliter is 1e-21 liter units, and picoliter is 1e-12 liter units.
Formula
picoliters = zeptoliters × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptoliter equals 1e-24 base units, and 1 picoliter equals 1e-15 base units, so dividing one by the other gives the direct zeptoliter-to-picoliter factor of 1e-9.
Simple example
1 zL × 1e-9 = 1e-9 pL
1 zeptoliter = 1e-9 picoliters.
Real-world example
10 zL × 1e-9 = 1e-8 pL
10 zeptoliters = 1e-8 picoliters.
Conversion table
| Zeptoliter (zL) | Picoliter (pL) |
|---|---|
| 1 zL | 1e-9 pL |
| 5 zL | 5e-9 pL |
| 10 zL | 1e-8 pL |
| 25 zL | 2.5e-8 pL |
| 50 zL | 5e-8 pL |
| 100 zL | 1e-7 pL |
Reverse conversion: Picoliter to Zeptoliter
1e-9 pL × 1000000000 = 1 zL
1e-9 picoliters = 1 zeptoliters.
zeptoliters = picoliters × 1000000000
For a page dedicated to this direction, see Picoliter to Zeptoliter.
Understanding the Zeptoliter (zL)
Zeptoliter is 1e-21 liter units.
Understanding the Picoliter (pL)
Picoliter is 1e-12 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picoliters are in 1 zeptoliter?
1 zeptoliter equals 1e-9 picoliters, using the exact defined conversion factor rather than an estimate.
How do I convert zeptoliter to picoliter?
Multiply the zeptoliter value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert picoliter back to zeptoliter?
Use the reverse factor: 1 picoliter equals 1,000,000,000 zeptoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptoliter?
Zeptoliter (zL) is a unit of volume.
What is a picoliter?
Picoliter (pL) is a unit of volume.
Is the zeptoliter to picoliter conversion exact?
Yes. Both zeptoliter and picoliter are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.