Attoliters to Gallons Converter
Enter the volume in attoliters below to convert it to gallons.
Convert Attoliters to Gallons (UK)
Enter a value in attoliters (aL) to convert to gallons (uk) (gal (UK)).
Attoliter to Gallon Conversion Table
Table showing various attoliter measurements converted to gallons. Click any preset value or arrow to load it into the converter.
| Attoliters (aL) | Gallons (UK) (gal (UK)) |
|---|---|
| 1 aL | 2.199692e-19 gal (UK) |
| 10 aL | 2.199692e-18 gal (UK) |
| 100 aL | 2.199692e-17 gal (UK) |
| 1,000 aL | 2.199692e-16 gal (UK) |
| 10,000 aL | 2.199692e-15 gal (UK) |
| 100,000 aL | 2.199692e-14 gal (UK) |
| 1,000,000 aL | 2.199692e-13 gal (UK) |
| 5,000,000 aL | 1.099846e-12 gal (UK) |
| 10,000,000 aL | 2.199692e-12 gal (UK) |
| 25,400,000 aL | 5.587219e-12 gal (UK) |
How to Convert Attoliters to Gallons
To convert attoliters to gallons, multiply the volume by the following conversion ratio: 2.199692e-19 gallons/attoliter.
Since one attoliter is equal to 2.199692e-19 gallons, you can use this simple formula to convert:
The volume in gallons is equal to the volume in attoliters multiplied by 2.199692e-19.
For example, here's how to convert 5 attoliters to gallons using the formula above.
How Many Gallons Are in an Attoliter?
There are 2.199692e-19 gallons in an attoliter, which is why we use this value in the formula above.
Our attoliter to gallon calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Attoliters and gallons 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 Gallon?
A gallon is a unit of volume equal to 4.54609 liters (L), the base unit for volume. British Imperial gallon defined as exactly 4.54609 liters. [2]
The gallon is classified as a US customary and imperial unit of volume. Gallons can be abbreviated as gal (UK); for example, 1 gallon can be written as 1 gal (UK).
When working with gallons (gal (UK)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, gallons (gal (UK)) are widely used across standard volume applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting volume between attoliters (aL) and gallons (gal (UK)), keep full floating-point precision (1 aL = 2.199692e-19 gal (UK); 1 gal (UK) = 4.54609e+18 aL) during intermediate calculations and round only the final gallon figure to match your instrument tolerance.
More Attoliter & Imperial Gallon Conversions
Need to calculate in the opposite direction? Use our gallons (uk) to attoliters calculator to switch your starting unit immediately. You can also explore related tools such as converting gallons (uk) to attoliters, converting gallons (us) to gallons (uk), or converting liters to gallons (uk).
Convert from Attoliters
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Attoliters (aL) to Gallons (UK) (gal (UK))
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Attoliter (aL) & Gallon (UK Imperial) (gal (UK))
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (aL to gal (UK))