$75K in San Diego = $49,155 in Charleston
Your $75K salary in San Diego (COL 148) has the same purchasing power as $49,155 in Charleston (COL 97). Charleston is cheaper — your money goes 34% further there.
Budget breakdown — $75K in both cities
What $75K actually buys you in each city after taxes and core expenses.
| Expense | San Diego $75K | Charleston $75K (same salary) |
|---|---|---|
| Monthly take-home | $4,159 | $4,353 |
| 1BR rent | $2,600 | $1,900 |
| Groceries | $414 | $376 |
| Transport | $100 | $55 |
| Utilities | $130 | $162 |
| Internet | $65 | $63 |
| Left after essentials | $850/month | $1,797/month |
Frequently asked questions
What is $75K in San Diego equivalent to in Charleston?
$75K in San Diego (COL index 148) has the same purchasing power as $49,155 in Charleston (COL index 97). That's 34% less than your current salary.
If I move from San Diego to Charleston keeping my $75K salary, will I be better off?
Yes. If you keep earning $75K after moving to Charleston, you'd have $947 more per month after core expenses — because Charleston is cheaper than San Diego.
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: $75K × (97 ÷ 148) = $49,155. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — San Diego to Charleston
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only