Millilitres to Gallons Converter
Convert millilitres to US gallons — divide by 3,785.41. Results update as you type; exact factors shown.
One millilitre is 0.0003 US gallons — see the exact factor, not a rounded rule of thumb.
How the millilitres to gallons converter works
Volumes convert through the litre (exactly 1 dm³). The US gallon is exactly 3.785411784 L (231 cubic inches); the imperial gallon is exactly 4.54609 L. A US fluid ounce is 29.5735 mL, an imperial fluid ounce 28.4131 mL; a US pint is 16 US fl oz, an imperial pint 20 imperial fl oz.
Australia is fully metric under the National Measurement Act 1960; imperial units appear only in trade with the US and in older documents.
Common volume conversions
| From | To | Units |
|---|---|---|
| 100 mL | 0.0264 US gal | millilitres to US gallons |
| 250 mL | 0.066 US gal | millilitres to US gallons |
| 500 mL | 0.1321 US gal | millilitres to US gallons |
| 1,000 mL | 0.2642 US gal | millilitres to US gallons |
| 1,893 mL | 0.5001 US gal | millilitres to US gallons |
| 2,000 mL | 0.5283 US gal | millilitres to US gallons |
| 3,785 mL | 0.9999 US gal | millilitres to US gallons |
| 5,000 mL | 1.3209 US gal | millilitres to US gallons |
| 10,000 mL | 2.6417 US gal | millilitres to US gallons |
| 20,000 mL | 5.2834 US gal | millilitres to US gallons |
| 50,000 mL | 13.2086 US gal | millilitres to US gallons |
| 100,000 mL | 26.4172 US gal | millilitres to US gallons |
Units in this converter and their exact factors
| Unit | Symbol | One unit in litres |
|---|---|---|
| millilitre | mL | 0.001 litre |
| litre | L | 1 litre |
| cubic metre | m³ | 1,000 litre |
| teaspoon (metric) | tsp | 0.005 litre |
| tablespoon (metric) | tbsp | 0.015 litre |
| cup (metric) | cup | 0.25 litre |
| US fluid ounce | US fl oz | 0.0295735296 litre |
| US cup | US cup | 0.2365882365 litre |
| US pint | US pt | 0.473176473 litre |
| US gallon | US gal | 3.785411784 litre |
| imperial fluid ounce | imp fl oz | 0.0284130625 litre |
| imperial pint | imp pt | 0.56826125 litre |
| imperial gallon | imp gal | 4.54609 litre |
| cubic foot | ft³ | 28.316846592 litre |
FAQFrequently asked questions about volume conversion
How many millilitres in a gallon?
3,785.41 US, or 4,546.09 imperial.
What is 1,000 mL in gallons?
0.264 US gallons.
What is 3,785 mL?
Almost exactly one US gallon.
Which gallon does a recipe mean?
Almost always the US gallon in American recipes. British recipes rarely use gallons at all.
What is a litre in gallons?
0.2642 US, 0.22 imperial.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Measurement Institute (NMI) — Australia's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.