$120K in Phoenix = $177,600 in San Diego
Your $120K salary in Phoenix (COL 100) has the same purchasing power as $177,600 in San Diego (COL 148). San Diego is more expensive — you'd need 48% more to maintain the same lifestyle.
Budget breakdown — $120K in both cities
What $120K actually buys you in each city after taxes and core expenses.
| Expense | Phoenix $120K | San Diego $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,905 | $6,225 |
| 1BR rent | $1,500 | $2,600 |
| Groceries | $369 | $414 |
| Transport | $64 | $100 |
| Utilities | $210 | $130 |
| Internet | $60 | $65 |
| Left after essentials | $4,702/month | $2,916/month |
Frequently asked questions
What is $120K in Phoenix equivalent to in San Diego?
$120K in Phoenix (COL index 100) has the same purchasing power as $177,600 in San Diego (COL index 148). That's 48% more than your current salary.
If I move from Phoenix to San Diego keeping my $120K salary, will I be better off?
Not necessarily. Core expenses in San Diego are higher, so on the same $120K salary you'd have $1,786 less per month. You'd need to earn $177,600 to maintain the same standard of living.
How is the salary equivalent calculated?
The equivalent salary is calculated by multiplying your current salary by the ratio of the two cities' overall cost of living indices: $120K × (148 ÷ 100) = $177,600. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Phoenix to San Diego
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only