$120K in Las Cruces = $141,951 in Charleston
Your $120K salary in Las Cruces (COL 82) has the same purchasing power as $141,951 in Charleston (COL 97). Charleston is more expensive — you'd need 18% 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 | Las Cruces $120K | Charleston $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,665 | $6,535 |
| 1BR rent | $1,000 | $1,900 |
| Groceries | $350 | $376 |
| Transport | $38 | $55 |
| Utilities | $152 | $162 |
| Internet | $60 | $63 |
| Left after essentials | $5,065/month | $3,979/month |
Frequently asked questions
What is $120K in Las Cruces equivalent to in Charleston?
$120K in Las Cruces (COL index 82) has the same purchasing power as $141,951 in Charleston (COL index 97). That's 18% more than your current salary.
If I move from Las Cruces to Charleston keeping my $120K salary, will I be better off?
Not necessarily. Core expenses in Charleston are higher, so on the same $120K salary you'd have $1,086 less per month. You'd need to earn $141,951 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 × (97 ÷ 82) = $141,951. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Las Cruces to Charleston
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only