1 US gallon to milliliters

1 gal = 3,785.41 ml. Change the amount below, or read the formula and the reference table further down.

1 US gallon equals

3,785.41milliliters

1 gal = 3,785.41 ml

The formula

US gallons and milliliters both measure volume from the same zero, so a single multiplier does the job.

ml = gal × 3,785.41

Going the other way? Convert milliliters to US gallons.

US gallons to milliliters table

Values either side of 1 gal.

US gallons (gal)Milliliters (ml)
-4-15,141.65
-3.5-13,248.94
-3-11,356.24
-2.5-9,463.53
-2-7,570.82
-1.5-5,678.12
-1-3,785.41
-0.5-1,892.71
00
0.51,892.71
13,785.41
1.55,678.12
27,570.82
2.59,463.53
311,356.24
3.513,248.94
415,141.65
4.517,034.35
518,927.06
5.520,819.76
622,712.47

Questions people ask

How many milliliters are in a US gallon?
One US gallon equals 3,785.41 milliliters.
How do I convert US gallons to milliliters by hand?
Multiply the number of US gallons by 3,785.41. For a rough check, 3,785.41 is close enough for most everyday use.
What is 1 US gallon in milliliters?
1 US gallon is 3,785.41 milliliters.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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