$120K in Des Moines = $133,793 in Charleston
Your $120K salary in Des Moines (COL 87) has the same purchasing power as $133,793 in Charleston (COL 97). Charleston is more expensive — you'd need 11% 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 | Des Moines $120K | Charleston $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,585 | $6,535 |
| 1BR rent | $1,200 | $1,900 |
| Groceries | $365 | $376 |
| Transport | $50 | $55 |
| Utilities | $155 | $162 |
| Internet | $60 | $63 |
| Left after essentials | $4,755/month | $3,979/month |
Frequently asked questions
What is $120K in Des Moines equivalent to in Charleston?
$120K in Des Moines (COL index 87) has the same purchasing power as $133,793 in Charleston (COL index 97). That's 11% more than your current salary.
If I move from Des Moines 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 $776 less per month. You'd need to earn $133,793 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 ÷ 87) = $133,793. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Des Moines to Charleston
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only