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.

The teaspoon (tsp) is the smallest standard cooking volume unit, equal to approximately 4.929 milliliters, found in recipes worldwide for measuring small quantities of spices, extracts, and medicine. It serves as the building block for larger measurements, with three teaspoons making one tablespoon. One US teaspoon equals exactly 1/6 of a US fluid ounce.