The deciliter (dL) is a metric unit of volume equal to one-tenth of a liter, used in medical lab reports and some European recipes. Blood test results in many countries express cholesterol and glucose levels in milligrams per deciliter, making this unit familiar to anyone reviewing health data. One deciliter equals exactly 100 milliliters or roughly 3.381 fluid ounces.

The US quart (qt) is an imperial volume unit equal to one-quarter of a US gallon or exactly 0.9464 liters, commonly used in American cooking and grocery packaging. Motor oil containers and ice cream tubs in the United States frequently use quart measurements. One US quart equals exactly 2 US pints or roughly 32 US fluid ounces.