Milliliter to Gallon (US) Converter
Convert Milliliter (mL) to Gallon (US) (gal) instantly. 1 mL = 0.000264 gal.
Volume Converter
40 units available
1 mL = 0.000264 gal
Formula:
gal = mL × 0.0002641721With your value: 1 mL = 0.00026417 gal
How big is that?
Everyday references on a logarithmic scale, all expressed in milliliter so you can sanity-check the result.
Other Milliliter to Gallon (US) conversions
Milliliter to Gallon (US) Conversion Table
| Milliliter (mL) | Gallon (US) (gal) |
|---|---|
| 0.5 | 0.000132 |
| 1 | 0.000264 |
| 2 | 0.000528 |
| 5 | 0.001321 |
| 10 | 0.002642 |
| 15 | 0.003963 |
| 20 | 0.005283 |
| 25 | 0.006604 |
| 50 | 0.013209 |
| 100 | 0.026417 |
| 250 | 0.066043 |
| 500 | 0.132086 |
| 1000 | 0.264172 |
Gallon (US) to Milliliter Conversion Table
| Gallon (US) (gal) | Milliliter (mL) |
|---|---|
| 0.5 | 1,892.705892 |
| 1 | 3,785.411784 |
| 2 | 7,570.823568 |
| 5 | 18,927.05892 |
| 10 | 37,854.11784 |
| 15 | 56,781.17676 |
| 20 | 75,708.23568 |
| 25 | 94,635.2946 |
| 50 | 189,270.5892 |
| 100 | 378,541.1784 |
| 250 | 946,352.946 |
| 500 | 1,892,705.892 |
| 1000 | 3,785,411.784 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Milliliter (mL)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Gallon (US) (gal)
Volume
The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Milliliter to Gallon (US)
To convert from Milliliter (mL) to Gallon (US) (gal), multiply the value by 0.0002641721.
Formula: gal = mL × 0.0002641721
Reverse: mL = gal × 3,785.411784
Step-by-Step Example
- Start with your value in Milliliter. For example: 5 mL
- Multiply by the conversion factor: 5 x 0.0002641721
- The result is: 0.001321 gal
About Milliliter
The milliliter equals one thousandth of a liter and is used for small liquid measurements.
Common uses: medicine dosage, cooking, chemistry.
About Gallon (US)
The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.
Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.
Common uses: fuel (US), beverages, swimming pools.
Frequently Asked Questions
How many Gallon (US) are in 1 Milliliter?
There are exactly 0.0002641721 Gallon (US) in 1 Milliliter. This means the conversion factor from Milliliter to Gallon (US) is 0.0002641721.
What is the formula to convert Milliliter to Gallon (US)?
The formula to convert Milliliter to Gallon (US) is: gal = mL × 0.0002641721. For example, to convert 10 Milliliter to Gallon (US), you would multiply 10 by 0.0002641721.
What is a Milliliter?
The milliliter equals one thousandth of a liter and is used for small liquid measurements.
What is a Gallon (US)?
The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.
What are the common uses of Milliliter?
The Milliliter is commonly used in medicine dosage, cooking, chemistry.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). Milliliter to Gallon (US) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/milliliter-to-gallon_us