Milliliters to quarts conversion involves understanding the relationship between the units of volume. 1 milliliter (mL) equals 0.001 quarts (qt), so to convert milliliters to quarts, divide the milliliter value by 1000. The formula is: Quarts = Milliliters ÷ 1000. This conversion is useful in measuring liquids, especially in cooking, baking, and healthcare, where precise measurements are crucial.