What is the conversion for 25 cc to horsepower?

To convert cubic centimeters (cc) to horsepower, you typically need to know the specific context, such as the type of engine or its efficiency, since horsepower is a measure of power output, not volume. However, a rough estimate for small engines is that 1 horsepower is approximately equivalent to 15 cc. Therefore, 25 cc would be roughly equal to about 1.67 horsepower, though this can vary significantly based on the engine's design and efficiency.