Attoliter is 1e-18 liter units.
Attoliters to Yottaliters Converter — aL to YL
Convert Attoliter (aL) to Yottaliter (YL) using the exact conversion factor (1 attoliter = 1e-42 yottaliter). See the formula, worked examples, and conversion table.
Attoliters to Yottaliters 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.
Yottaliter is 1e+24 liter units.
Result = input x 1e-21 / 1e+21.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Attoliters to Yottaliters
Attoliter and Yottaliter 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 yottaliter is 1e+24 liter units.
Formula
yottaliters = attoliters × 1e-42
This factor comes from each unit's defined relationship to the category's base unit: 1 attoliter equals 1e-21 base units, and 1 yottaliter equals 1e+21 base units, so dividing one by the other gives the direct attoliter-to-yottaliter factor of 1e-42.
Simple example
1 aL × 1e-42 = 1e-42 YL
1 attoliter = 1e-42 yottaliters.
Real-world example
10 aL × 1e-42 = 1e-41 YL
10 attoliters = 1e-41 yottaliters.
Conversion table
| Attoliter (aL) | Yottaliter (YL) |
|---|---|
| 1 aL | 1e-42 YL |
| 5 aL | 5e-42 YL |
| 10 aL | 1e-41 YL |
| 25 aL | 2.5e-41 YL |
| 50 aL | 5e-41 YL |
| 100 aL | 1e-40 YL |
Reverse conversion: Yottaliter to Attoliter
1e-42 YL × 1e+42 = 1 aL
1e-42 yottaliters = 1 attoliter.
attoliters = yottaliters × 1e+42
For a page dedicated to this direction, see Yottaliter to Attoliter.
Understanding the Attoliter (aL)
Attoliter is 1e-18 liter units.
Understanding the Yottaliter (YL)
Yottaliter is 1e+24 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yottaliters are in 1 attoliter?
1 attoliter equals 1e-42 yottaliters, using the exact defined conversion factor rather than an estimate.
How do I convert attoliter to yottaliter?
Multiply the attoliter value by 1e-42. The converter above does this instantly to whatever precision you set.
How do I convert yottaliter back to attoliter?
Use the reverse factor: 1 yottaliter equals 1e+42 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 yottaliter?
Yottaliter (YL) is a unit of volume.
Is the attoliter to yottaliter conversion exact?
Yes. Both attoliter and yottaliter 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.