$100K in Las Cruces = $118,293 in Charleston
Your $100K salary in Las Cruces (COL 82) has the same purchasing power as $118,293 in Charleston (COL 97). Charleston is more expensive — you'd need 18% more to maintain the same lifestyle.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Las Cruces $100K | Charleston $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,913 | $5,804 |
| 1BR rent | $1,000 | $1,900 |
| Groceries | $350 | $376 |
| Transport | $38 | $55 |
| Utilities | $152 | $162 |
| Internet | $60 | $63 |
| Left after essentials | $4,313/month | $3,248/month |
Frequently asked questions
What is $100K in Las Cruces equivalent to in Charleston?
$100K in Las Cruces (COL index 82) has the same purchasing power as $118,293 in Charleston (COL index 97). That's 18% more than your current salary.
If I move from Las Cruces to Charleston keeping my $100K salary, will I be better off?
Not necessarily. Core expenses in Charleston are higher, so on the same $100K salary you'd have $1,065 less per month. You'd need to earn $118,293 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: $100K × (97 ÷ 82) = $118,293. 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