Online calculator to convert US gallons to milliliters (US gal to mL) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Volume units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert US gallons to mL
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between US gallons and milliliters.
What is a US gallon (US gal)?
A US gallon is a unit of volume in US Customary Units. The symbol for US gallon is US gal. There are 0.00026417 US gallons in a milliliter.
What is a milliliter (mL)?
A milliliter is a unit of volume in the Metric System. The symbol for milliliter is mL. There are 3,785.411784 milliliters in a US gallon. The International spelling for this unit is millilitre.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from US gal to mL is:
mL = US gal x 3,785.411784
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from US gallons to milliliters (US gal to mL).
US Gallon to Milliliter Conversion Example
Task: Convert 75 US gallons to milliliters (show work) Formula: US gal x 3,785.411784 = mL Calculations: 75 US gal x 3,785.411784 = 283,905.8838 mL Result: 75 US gal is equal to 283,905.8838 mL
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from US gal to mL.
US Gallons to Milliliters Conversion Chart
| US gallons (US gal) | milliliters (mL) |
|---|---|
| 1 US gal | 3,785.411784 mL |
| 2 US gal | 7,570.823568 mL |
| 3 US gal | 11,356.235352 mL |
| 4 US gal | 15,141.647136 mL |
| 5 US gal | 18,927.05892 mL |
| 6 US gal | 22,712.470704 mL |
| 7 US gal | 26,497.882488 mL |
| 8 US gal | 30,283.294272 mL |
| 9 US gal | 34,068.706056 mL |
| 10 US gal | 37,854.11784 mL |
| 20 US gal | 75,708.23568 mL |
| 30 US gal | 113,562.35352 mL |
| 40 US gal | 151,416.47136 mL |
| 50 US gal | 189,270.5892 mL |
| 75 US gal | 283,905.8838 mL |
| 100 US gal | 378,541.1784 mL |
| 250 US gal | 946,352.946 mL |
| 500 US gal | 1,892,705.892 mL |
| 750 US gal | 2,839,058.838 mL |
| 1,000 US gal | 3,785,411.784 mL |
| 2,500 US gal | 9,463,529.46 mL |
| 5,000 US gal | 18,927,058.92 mL |
| 7,500 US gal | 28,390,588.38 mL |
| 10,000 US gal | 37,854,117.84 mL |
| 25,000 US gal | 94,635,294.6 mL |
| 50,000 US gal | 189,270,589.2 mL |
| 75,000 US gal | 283,905,883.8 mL |
| 100,000 US gal | 378,541,178.4 mL |
| 250,000 US gal | 946,352,946 mL |
Related Units
The following tables provide a summary of the Volume units (both Fluid Volume units and Cubic Volume units) within their respective measurement systems.
Fluid Volume Units
| Unit | Symbol | Measurement System |
|---|---|---|
| US teaspoons | US tsp | US Customary Units |
| US tablespoons | US tbsp | US Customary Units |
| US fluid ounces | US fl oz | US Customary Units |
| US cups | US cup | US Customary Units |
| US pints | US pt | US Customary Units |
| US quarts | US qt | US Customary Units |
| US gallons | US gal | US Customary Units |
| Imperial teaspoons | Imperial tsp | Imperial System |
| Imperial tablespoons | Imperial tbsp | Imperial System |
| Imperial fluid ounces | Imperial fl oz | Imperial System |
| Imperial pints | Imperial pt | Imperial System |
| Imperial quarts | Imperial qt | Imperial System |
| Imperial gallons | Imperial gal | Imperial System |
| nanoliters | nL | Metric System |
| microliters | μL | Metric System |
| milliliters | mL | Metric System |
| centiliters | cL | Metric System |
| deciliters | dL | Metric System |
| liters | L | Metric System |
| decaliters | daL | Metric System |
| hectoliters | hL | Metric System |
| kiloliters | kL | Metric System |
| megaliters | ML | Metric System |
Note: There is a difference between US Customary Units and the Imperial System for volume conversions. The US gallon contains 128 US fluid ounces, whereas the Imperial gallon contains 160 Imperial fluid ounces.
Cubic Volume Units
| Unit | Symbol | Measurement System |
|---|---|---|
| cubic inches | in3 | US Customary Units/Imperial System |
| cubic feet | ft3 | US Customary Units/Imperial System |
| cubic yards | yd3 | US Customary Units/Imperial System |
| cubic miles | mi3 | US Customary Units/Imperial System |
| cubic millimeters | mm3 | Metric System |
| cubic centimeters | cm3 | Metric System |
| cubic decimeters | dm3 | Metric System |
| cubic meters | m3 | Metric System |
| cubic decameter | dam3 | Metric System |
| cubic kilometer | km3 | Metric System |
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