**There are 33.07 pounds in 15 kilograms.** One can use equivalent conversion factors to arrive at this answer. There are approximately 2.2046 pounds in 1 kilogram.

By multiplying 15 kilograms by 2.2046 (pounds per kilogram), one finds the answer as 33.069 pounds, which when rounded to the nearest hundredth is 33.07 pounds.

Similarly, one can convert from pounds to kilograms if one knows that one pound is equal to approximately 0.45359 kilograms. This conversion factor is the same as 1 kilogram to 2.2046 pounds.

Conversion factors are useful when comparing different types of measurements in different systems, such as the Imperial system and metric system. While a pound is a unit of measurement in the Imperial system, a kilogram is a unit of measurement in the metric system.