To input a unit different than the current unit within a dialog field, use the following procedure.

1. Click within a field that takes a dimensional value as input.
2. Press <F2>. A pop-up dialog opens to allow you to input values in any dimensionally correct unit.
   
3. (Optional) Press <Ctrl+Q> to open a list of dimensionally correct units and select one to populate this pop-up dialog.
4. Type the value in the known units.
   Tip: Values can also be input using a fractional system (e.g., 5 7/8").
5. Once you are finished entering the units, press <Return>. The unit is converted into the Current Unit system.