Attoliter is 1e-18 liter units.
Attoliters to Yoctoliters Converter — aL to yL
Convert Attoliter (aL) to Yoctoliter (yL) using the exact conversion factor (1 attoliter = 1,000,000 yoctoliter). See the formula, worked examples, and conversion table.
Attoliters to Yoctoliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Yoctoliter is 1e-24 liter units.
Result = input x 1e-21 / 1e-27.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Attoliters to Yoctoliters
Attoliter and Yoctoliter 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: Attoliter is 1e-18 liter units, and yoctoliter is 1e-24 liter units.
Formula
yoctoliters = attoliters × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 attoliter equals 1e-21 base units, and 1 yoctoliter equals 1e-27 base units, so dividing one by the other gives the direct attoliter-to-yoctoliter factor of 1000000.
Simple example
1 aL × 1000000 = 1,000,000 yL
1 attoliter = 1,000,000 yoctoliters.
Real-world example
10 aL × 1000000 = 10,000,000 yL
10 attoliters = 10,000,000 yoctoliters.
Conversion table
| Attoliter (aL) | Yoctoliter (yL) |
|---|---|
| 1 aL | 1,000,000 yL |
| 5 aL | 5,000,000 yL |
| 10 aL | 10,000,000 yL |
| 25 aL | 25,000,000 yL |
| 50 aL | 50,000,000 yL |
| 100 aL | 100,000,000 yL |
Reverse conversion: Yoctoliter to Attoliter
1 yL × 1e-6 = 1e-6 aL
1 yoctoliter = 1e-6 attoliters.
attoliters = yoctoliters × 1e-6
For a page dedicated to this direction, see Yoctoliter to Attoliter.
Understanding the Attoliter (aL)
Attoliter is 1e-18 liter units.
Understanding the Yoctoliter (yL)
Yoctoliter is 1e-24 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yoctoliters are in 1 attoliter?
1 attoliter equals 1,000,000 yoctoliters, using the exact defined conversion factor rather than an estimate.
How do I convert attoliter to yoctoliter?
Multiply the attoliter value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert yoctoliter back to attoliter?
Use the reverse factor: 1 yoctoliter equals 1e-6 attoliters. You can also use the swap control in the converter above to flip the direction instantly.
What is a attoliter?
Attoliter (aL) is a unit of volume.
What is a yoctoliter?
Yoctoliter (yL) is a unit of volume.
Is the attoliter to yoctoliter conversion exact?
Yes. Both attoliter and yoctoliter are defined by fixed standards rather than physical artifacts, so the factor of 1000000 used above is exact to as many digits as you choose to display.