How fast does a 30 hp boat motor go?

The speed of a boat with a 30 hp motor can vary based on several factors, including the boat's weight, design, and water conditions. Generally, a 30 hp outboard motor can propel a small to medium-sized boat to speeds of around 15 to 25 mph (24 to 40 km/h). Lighter boats or those designed for speed may achieve higher speeds, while heavier vessels may go slower.