$120K in Flagstaff = $174,118 in San Diego
Your $120K salary in Flagstaff (COL 102) has the same purchasing power as $174,118 in San Diego (COL 148). San Diego is more expensive — you'd need 45% 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 | Flagstaff $120K | San Diego $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,905 | $6,225 |
| 1BR rent | $1,650 | $2,600 |
| Groceries | $384 | $414 |
| Transport | $45 | $100 |
| Utilities | $195 | $130 |
| Internet | $65 | $65 |
| Left after essentials | $4,566/month | $2,916/month |
Frequently asked questions
What is $120K in Flagstaff equivalent to in San Diego?
$120K in Flagstaff (COL index 102) has the same purchasing power as $174,118 in San Diego (COL index 148). That's 45% more than your current salary.
If I move from Flagstaff 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 $1,650 less per month. You'd need to earn $174,118 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 ÷ 102) = $174,118. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Flagstaff 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