Attoliters to Liters Converter
Enter the volume in attoliters below to convert it to liters.
Convert Attoliters to Liters
Enter a value in attoliters (aL) to convert to liters (L).
Attoliter to Liter Conversion Table
Table showing various attoliter measurements converted to liters. Click any preset value or arrow to load it into the converter.
How to Convert Attoliters to Liters
To convert attoliters to liters, multiply the volume by the following conversion ratio: 1e-18 liters/attoliter.
Since one attoliter is equal to 1e-18 liters, you can use this simple formula to convert:
The volume in liters is equal to the volume in attoliters multiplied by 1e-18.
For example, here's how to convert 5 attoliters to liters using the formula above.
How Many Liters Are in an Attoliter?
There are 1e-18 liters in an attoliter, which is why we use this value in the formula above.
Our attoliter to liter calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Attoliters and liters are both units used to measure volume. Keep reading to learn more about each unit.
What Is an Attoliter?
An attoliter is a unit of volume equal to 1/999,999,999,999,999,900 of a liter (1e-18 L). 10⁻¹⁸ liters. [1]
The attoliter is classified as a metric and SI-compatible unit of volume. Attoliters can be abbreviated as aL; for example, 1 attoliter can be written as 1 aL.
When working with attoliters (aL) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, attoliters (aL) are widely used across fine-tolerance laboratory, analytical, and micro-scale volume measurements within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Liter?
Metric unit of volume equal to 1 cubic decimeter (1,000 mL). It serves as a primary reference unit for measuring volume across scientific and practical applications. [2]
The liter is classified as a metric and SI-compatible unit of volume. Liters can be abbreviated as L; for example, 1 liter can be written as 1 L.
As the primary coherent reference unit for volume in this category, all other volume units are mathematically anchored to the liter (L).
In practice, liters (L) are widely used across standard volume applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting volume between attoliters (aL) and liters (L), keep full floating-point precision (1 aL = 1e-18 L; 1 L = 1e+18 aL) during intermediate calculations and round only the final liter figure to match your instrument tolerance.
More Attoliter & Liter Conversions
Need to calculate in the opposite direction? Use our liters to attoliters calculator to switch your starting unit immediately. You can also explore related tools such as converting liters to attoliters, converting gallons (us) to liters, or converting cups (us) to liters.
Convert from Attoliters
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Attoliters (aL) to Liters (L)
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Attoliter (aL) & Liter (L)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (aL to L)