Your salary isn't your real income. Subtract what your job actually costs you in commuting, food, and clothing to see what you truly take home.
Annual job-related costs sum your monthly commute, work food, and clothing/preparation expenses, multiplied by 12. Subtracting that from your salary gives your true net income — what the job actually leaves you with once its direct costs are paid.
The true hourly rate goes a step further: it divides your true net income by your total time commitment, including unpaid commuting time (not just the standard 2,080 work hours), giving a more honest picture than the advertised salary-divided-by-hours figure most people use.
Any expense you wouldn't have if you didn't work this specific job — commuting fuel or transit fare, food bought because you're away from home, and clothing or grooming required specifically for work.
Because that time is unavailable to you and unpaid, effectively diluting your compensation across more hours of your week than the job description states.
Yes — running the same numbers for two different jobs (especially with different commute distances) often reveals a smaller income gap, or even a reversal, compared to comparing salaries alone.