Enter a value in mile per hour (mph) in the "From" field, and the equivalent value in radian per second (rad/s) will be displayed in the "To" field automatically.

The conversion factor between mile per hour and radian per second 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.