Enter a value in revolutions per minute (rpm) in the "From" field, and the equivalent value in kilometer per hour (km/h) will be displayed in the "To" field automatically.

The conversion factor between revolutions per minute and kilometer per hour is calculated automatically based on their relationship to the base unit in the speed / velocity category.

Yes, you can convert between any units in the speed / velocity category. Use the dropdown menus to select different units.