$40K in Spokane = $42,637 in Charleston
Your $40K salary in Spokane (COL 91) has the same purchasing power as $42,637 in Charleston (COL 97). Charleston is more expensive — you'd need 7% more to maintain the same lifestyle.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Spokane $40K | Charleston $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,522 |
| 1BR rent | $1,400 | $1,900 |
| Groceries | $372 | $376 |
| Transport | $62 | $55 |
| Utilities | $115 | $162 |
| Internet | $62 | $63 |
| Left after essentials | $717/month | -$34/month |
Frequently asked questions
What is $40K in Spokane equivalent to in Charleston?
$40K in Spokane (COL index 91) has the same purchasing power as $42,637 in Charleston (COL index 97). That's 7% more than your current salary.
If I move from Spokane to Charleston keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Charleston are higher, so on the same $40K salary you'd have $751 less per month. You'd need to earn $42,637 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: $40K × (97 ÷ 91) = $42,637. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Spokane to Charleston
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only