The problem with COL calculators is that 100% of your pay does not go to costs. You can't just say SF is 4x as expensive as Chicago so I need 4x the salary. The

The problem with COL calculators is that 100% of your pay does not go to costs. You can't just say SF is 4x as expensive as Chicago so I need 4x the salary. The increased costs are a fixed number, not something that scales with salary.