How many liters are in a gallon?

One US gallon equals approximately 3.78541 liters. One imperial gallon (UK) equals about 4.54609 liters.

How many cups are in a liter?

One liter equals approximately 4.227 US cups. This is useful for cooking and recipe conversions.

A US gallon is 3.785 liters while an imperial gallon is 4.546 liters. The imperial gallon is about 20% larger.

One US fluid ounce equals approximately 29.5735 milliliters.

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1 US gallon = 3.785 liters = 128 fl oz. 1 liter = 1000 mL = 4.227 US cups. US and imperial gallons differ — 1 imperial gallon = 4.546 liters.