How many ounces are there in a quarter?
by Karine Lemoine
An American recipe says quarters of liquid, and you are looking for their equivalent in ounces or milliliters for your French utensils?
A quarter is between a cup and a gallon in American volume measurements, with a conversion that is fixed and easy to remember.
Table of Contents

Here's how many ounces there are in an American quarter, its equivalent in liters, and its place in the hierarchy of liquid measures.
The reference conversion: 32 ounces in a quarter
An American liquid quarter (quarter) is exactly equivalent to32 fluid ounces (fl oz). It is a fixed value, which derives from the American hierarchy of volumes: 1 cup = 8 ounces, 1 pint = 2 cups = 16 ounces, 1 quarter = 2 quarts = 32 ounces.
In liters and milliliters, for French recipes
For a practical conversion to French cuisine:1 American quarter is equivalent to approximately 0.946 liters, or about 946 ml, very close to one liter. For a quick calculation, you can round a quarter to 1 liter without much loss of precision in most recipes.
Where is a quarter in American measurements
The quarter is integrated into a simple hierarchy by successive doublings: 1 cup (8 oz), 1 cup (8 oz), 1 quart (8 oz), 1 quart (32 oz, or 2 quarts), 1 gallon (128 oz, or 4 quarts), 1 gallon (128 oz, or 4 quarts).Retaining this sequence allows you to convert any American measure without a calculator.
Our tips
►Memorize the cup-pint-quarter-gallon sequence
Each unit doubles the previous one: 8, 16, 32, 128 ounces. With this logic in mind, it becomes easy to convert any American quantity.
►Use a measuring glass graduated in milliliters
For an American recipe, aim directly for 946 ml per quarter requested rather than counting ounces one by one.
►Also remember the pint, half a quarter
A pint is half a quarter, which is 16 ounces or about 473 ml. This guide is useful for recipes for drinks, jams, or preserves that use smaller containers.
In summary, a quarter American contains 32 fluid ounces, or about 946 ml, almost the equivalent of one liter.
You can also read:How many quarters are there in a gallonandHow many tablespoons are there in an ounce.
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