Gallon to Milliliter Converter

Convert gallons to milliliters instantly with our precise volume converter. Supports both US and UK gallons for accurate international conversions.

Gallons

Milliliters (mL)

1 US gal = 3,785 mL

About Gallons

Gallons are units of volume measurement with different values depending on the region. The US gallon and UK (Imperial) gallon have significantly different volumes.

US Gallon = 3,785.41 mL

UK Gallon = 4,546.09 mL

About Milliliters

The milliliter (mL) is a metric unit of volume equal to one-thousandth of a liter. It's widely used internationally for precise liquid measurements in medicine, cooking, and science.

1 mL = 0.001 liters

Common Gallon to mL Conversions

US Gallons to mL

0.25 gal

946 mL

0.5 gal

1,893 mL

1 gal

3,785 mL

5 gal

18,927 mL

UK Gallons to mL

0.25 gal

1,137 mL

0.5 gal

2,273 mL

1 gal

4,546 mL

5 gal

22,730 mL

US vs UK Gallon Comparison

Volume	US Gallon (mL)	UK Gallon (mL)	Difference
1 gallon	3,785 mL	4,546 mL	+20%
5 gallons	18,927 mL	22,730 mL	+20%
10 gallons	37,854 mL	45,461 mL	+20%

Common Applications

Fuel & Automotive

Fuel efficiency calculations and tank capacity

Cooking & Recipes

Large batch cooking and commercial kitchen conversions

Industrial

Chemical processing and bulk liquid handling

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