As a noun phrase, "how many pounds does a cruise ship weigh" quantifies the mass of these colossal vessels. For example, Royal Caribbean's Symphony of the Seas weighs approximately 228,081 tons, equivalent to about 456,162,000 pounds.
Determining this weight is crucial for stability, buoyancy, and efficient operation. Historically, shipbuilders relied on empirical formulas to estimate weight, but modern techniques like 3D modeling and computer simulations provide greater accuracy.