STAR-CCM+ has flexible and customizable support for engineering units. The standard SI and USCS systems are built in, and you can add new units as desired. Physical quantities can be specified and displayed in any of these units. Individual quantities can be specified with new units on the fly by simply typing something like "80 mph".
This section explains the basic concepts associated with units. In addition, details are given about working with units and using units while setting values.