Yoctoliter is 1e-24 liter units.
Yoctoliters to Attoliters Converter — yL to aL
Convert Yoctoliter (yL) to Attoliter (aL) using the exact conversion factor (1 yoctoliter = 1e-6 attoliter). See the formula, worked examples, and conversion table.
Yoctoliters to Attoliters 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.
Attoliter is 1e-18 liter units.
Result = input x 1e-27 / 1e-21.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yoctoliters to Attoliters
Yoctoliter and Attoliter 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 attoliter is 1e-18 liter units.
Formula
attoliters = yoctoliters × 1e-6
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctoliter equals 1e-27 base units, and 1 attoliter equals 1e-21 base units, so dividing one by the other gives the direct yoctoliter-to-attoliter factor of 1e-6.
Simple example
1 yL × 1e-6 = 1e-6 aL
1 yoctoliter = 1e-6 attoliters.
Real-world example
10 yL × 1e-6 = 0.00001 aL
10 yoctoliters = 0.00001 attoliters.
Conversion table
| Yoctoliter (yL) | Attoliter (aL) |
|---|---|
| 1 yL | 1e-6 aL |
| 5 yL | 0.000005 aL |
| 10 yL | 0.00001 aL |
| 25 yL | 0.000025 aL |
| 50 yL | 0.00005 aL |
| 100 yL | 0.0001 aL |
Reverse conversion: Attoliter to Yoctoliter
0.000001 aL × 1000000 = 1 yL
0.000001 attoliters = 1 yoctoliters.
yoctoliters = attoliters × 1000000
For a page dedicated to this direction, see Attoliter to Yoctoliter.
Understanding the Yoctoliter (yL)
Yoctoliter is 1e-24 liter units.
Understanding the Attoliter (aL)
Attoliter is 1e-18 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attoliters are in 1 yoctoliter?
1 yoctoliter equals 1e-6 attoliters, using the exact defined conversion factor rather than an estimate.
How do I convert yoctoliter to attoliter?
Multiply the yoctoliter value by 1e-6. The converter above does this instantly to whatever precision you set.
How do I convert attoliter back to yoctoliter?
Use the reverse factor: 1 attoliter equals 1,000,000 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 attoliter?
Attoliter (aL) is a unit of volume.
Is the yoctoliter to attoliter conversion exact?
Yes. Both yoctoliter and attoliter are defined by fixed standards rather than physical artifacts, so the factor of 1e-6 used above is exact to as many digits as you choose to display.