Gallon Converter
Created by: tinycalcs.com/en
Number of supported units: 48
Last update: 2026
The Gallon Converter supports 48 different volume units. This makes it possible to convert freely between gallons [Imp.gal.], American, metric, and British volume units. All volume measurements are converted in real time and displayed with up to 20 decimal places, ensuring sufficient accuracy.
Conversion of gallons
In order to convert gallons [Imp.gal.] into another unit of volume, a conversion value is required. This value can be determined using a conversion table. However, the table is relatively large, confusing, and difficult for inexperienced users to understand. The following tool provides a solution to this problem by allowing the rounded conversion values for gallons [Imp.gal.] to be queried directly from the conversion table.
Determine conversion factor
Conversion between gallons and cubic millimeters
A quick and precise conversion between gallons [Imp.gal.] and cubic millimeters [mm³] is straightforward and requires only multiplication or division by 4,546,090. The conversion from gallons [Imp.gal.] to cubic millimeters [mm³] is done by multiplying the value in gallons [Imp.gal.] by 4,546,090. To reverse the conversion, divide the value in cubic millimeters [mm³] by 4,546,090 to obtain gallons [Imp.gal.].
- Cubic millimeters [mm³] = gallons [Imp.gal.] * 4,546,090
- Gallons [Imp.gal.] = cubic millimeters [mm³] ÷ 4,546,090
Conversion between gallons and cubic centimeters
Conversions between gallons [Imp.gal.] and cubic centimeters [cm³] are straightforward and can be performed with simple math. The required conversion factor is 4,546.09. To convert a value from gallons [Imp.gal.] to cubic centimeters [cm³], multiply the number of gallons [Imp.gal.] by 4,546.09. For values in cubic centimeters [cm³], divide by 4,546.09 to get the equivalent in gallons [Imp.gal.].
- Cubic centimeters [cm³] = gallons [Imp.gal.] * 4,546.09
- Gallons [Imp.gal.] = cubic centimeters [cm³] ÷ 4,546.09
Conversion between gallons and cubic decimeters
You can easily convert between cubic decimeters [dm³] and gallons [Imp.gal.] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.
- Gallons [Imp.gal.] = cubic decimeters [dm³] ÷ 454,609 * 105
- Cubic decimeters [dm³] = gallons [Imp.gal.] * 454,609 ÷ 105
Conversion between gallons and cubic meters
The fastest and easiest way to convert between cubic meters [m³] and gallons [Imp.gal.] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.
- Gallons [Imp.gal.] = cubic meters [m³] ÷ 454,609 * 108
- Cubic meters [m³] = gallons [Imp.gal.] * 454,609 ÷ 108
Conversion between gallons and liters
The two formulas below provide an easy way to convert between liters [l] and gallons [Imp.gal.]. To ensure precise conversion results, it is important to follow the correct order of math operations.
- Gallons [Imp.gal.] = liters [l] ÷ 454,609 * 105
- Liters [l] = gallons [Imp.gal.] * 454,609 ÷ 105
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