How many cups are in 1 quart?

One quart is equal to four cups. This measurement is based on the standard conversion in the United States, where 1 quart consists of 4 cups. This understanding is crucial for cooking and baking, as accurate measurements can significantly impact the outcome of recipes. Knowing that there are 4 cups in a quart helps in scaling recipes or converting measurements when necessary. The other choices reflect incorrect conversions and are commonly confused with other volume measurements, but the accepted standard and definition confirm that 1 quart is indeed equal to 4 cups.