Free · Volume and weight converters ⚖️

Per-Liter, US Gallon & Imperial Gallon Price Calculator

Convert a price per liter to prices per US and imperial gallon using exact gallon volumes.

Calculator inputs

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Enter the known values in the units shown. Results update as you type.
Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
Use the worked example to check the method. Reset restores the starting fields.

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

A price of 1 per liter equals 3.785411784 per US liquid gallon and 4.54609 per imperial gallon in the same currency.

US-gallon price = liter price × 3.785411784; imperial-gallon price = liter price × 4.54609

Enter these known values and leave the other values blank.

Prices must be positive and refer to the same product and currency. Taxes or fees are included only if they are already part of the supplied unit price.
The US and imperial gallon are different volumes. This conversion does not predict a selling price or account for differences between markets.

An imperial gallon contains more liters. At the same price per liter, that larger quantity costs more.

No. It expresses the same price per quantity using a different quantity unit.

Per-gallon prices use the exact US gallon of 3.785411784 liters and imperial gallon of 4.54609 liters, replacing rounded equation factors.