Our team's codebase is mostly devoid of values that would be in physical units anyway. Generally, we code to what our sensors provide. Instead of measuring out a path, calculating the number of rotations, then the number of encoder ticks that would take, we take the robot, zero the encoders, and run through the path, recording their values directly. I distrust any assumption (at least in the FIRST timeframe) that a quantity defined in physical units can be cleanly converted to a value from the robot's sensors. If we had the time to create a proper simulation, then perhaps I would use real-world units more, but since our only platform is the robot, we use the values directly from the robot.
As an example, we have
this class which allows us to do motion planning from teleop mode. Map this command to a button, and it prints out the lines of code to put into the autonomous mode, using the values from the sensors directly.