How to compare two job offers after taxes and rent
The fairest comparison is not simply “which salary is larger?” It is “which offer leaves me with more usable money, for a lifestyle I actually want?” Here's a repeatable approach.
Compare the same time period
Convert each annual salary into an estimated monthly after-tax figure. Hourly offers need special attention: a $30-per-hour job does not necessarily pay $62,400 a year if there are unpaid breaks, seasonal gaps or fewer than 40 hours every week.
Separate deductions from spending
Employer retirement contributions and qualifying pre-tax health premiums can change taxable income. Rent, food, transport and student-loan payments are normally separate spending items. Don't deduct healthcare premiums twice by including the same cost both in payroll deductions and monthly spending.
Price the housing you would really choose
Compare a specific apartment or realistic shared-housing arrangement, not a generic “average rent.” Rent changes enormously between neighbourhoods and household sizes. If you plan to share an apartment, get actual roommate listings or offers and include any extra commuting cost.
Check what the job includes
Compare health insurance contributions and deductibles, retirement matching, paid time off, commuting arrangements and relocation assistance. A lower-paying offer with excellent benefits can be competitive, and benefits aren't always expressible as one monthly number.
Include first-year moving costs
Travel, application fees, deposits, moving services and temporary housing can make a move costly upfront. If the new job leaves $300 more each month but costs $4,800 to relocate, it may take roughly 16 months to offset that one-time cost; that's simple arithmetic, not a promise of savings.
Use break-even pay to negotiate
Once you've checked the inputs, WorthIt? can estimate a salary in the higher-cost city that would preserve similar monthly spending power. Use it to frame questions about pay or relocation support, and re-check tax assumptions independently before negotiating.