US Gallon to Milliliter
Convert gal to mL instantly — free, no sign-up.
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About the US Gallon (gal)
The US Gallon is the standard unit for fuel and liquid volume in the US — smaller than the UK gallon, so double-check which one a recipe or spec means.
About the Milliliter (mL)
The Milliliter is one thousandth of a liter, used for small liquid quantities like medicine doses and cosmetics.
How to convert gal to mL
- Enter the value in gal in the box above.
- The mL equivalent updates instantly.
- Use the swap button to convert mL back to gal just as easily.