18qt
To convert quarts to pounds, you need to know the substance's density, as quarts measure volume and pounds measure weight. For example, if you are converting water, 1 quart of water weighs approximately 2.08 pounds. Therefore, 18 quarts of water would weigh about 37.44 pounds (18 quarts x 2.08 pounds/quart). For other substances, you would need to adjust the calculation based on their specific densities.