Convert US gallon to milliliter

1 gal = 3,785.411784 mL

1 gal = 3,785.4 mL
1 gal in every volume unit
cubic millimeter3,785,400 mm³
microliter3,785,400 μL
milliliter3,785.4 mL
cubic centimeter3,785.4 cm³
US teaspoon768 tsp
centiliter378.54 cL
US tablespoon256 tbsp
cubic inch231 in³
imperial fluid ounce133.23 imp fl oz
US fluid ounce128 fl oz
deciliter37.854 dL
US cup16 cup
US pint8 pt
imperial pint6.6614 imp pt
US quart4 qt
liter3.7854 L
cubic decimeter3.7854 dm³
imperial quart3.3307 imp qt
board foot1.6042 fbm
US gallon1 gal
imperial gallon0.83267 imp gal
cubic foot0.13368 ft³
US bushel0.10742 bu
hectoliter0.037854 hL
US beer barrel0.032258 bbl beer
oil barrel0.02381 bbl
cubic yard0.0049511 yd³
cubic meter0.0037854 m³
kiloliter0.0037854 kL
hundred cubic feet0.0013368 CCF
cord0.0010444 cord
acre-foot0.0000030689 ac·ft
million US gallons0.000001 MG
cubic kilometer3.7854e-12 km³
How the conversion works

Multiply by 3,785.411784 to go from US gallon to milliliter, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? milliliter to US gallon — 1 mL = 0.0002641720524 gal.

US gallon to milliliter — common values
1 gal3,785.4118 mL
2 gal7,570.8236 mL
3 gal11,356.235 mL
5 gal18,927.059 mL
10 gal37,854.118 mL
15 gal56,781.177 mL
20 gal75,708.236 mL
25 gal94,635.295 mL
50 gal189,270.59 mL
75 gal283,905.88 mL
100 gal378,541.18 mL
250 gal946,352.95 mL
500 gal1,892,705.9 mL
1000 gal3,785,411.8 mL