Gallon Converter
Result
Gallon Converter Convert US gallons to litres, cubic feet, and cubic inches. — convert units quickly and accurately.
Formula
- US liquid gallons only (not Imperial gallons or US dry gallons).
- The main inputs are Value, From unit, To unit. Enter them in the units and format shown in the calculator.
- For unit conversions, the calculator applies the conversion relationship shown above and keeps source and target units consistent with the selected options.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Gallon
- Value: 1
- From unit: meter (m)
- To unit: decimeter (dm)
Example inputs: Volume (US liquid gallons) = 1. Calculated result: Litres: 3.78541178 | Cubic inches: 231 | Cubic feet: 0.13368056.
Sample result: Calculating…
Frequently asked questions
What does the Gallon calculate?
The calculator uses standard conversion factors. Temperature conversions use exact scale formulas.
Which values should I enter?
Enter Value, From unit, To unit using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: 1 US liquid gallon = 3.785411784 L = 231 in³.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.