$80K in Charleston = $123,711 in Seattle
Your $80K salary in Charleston (COL 97) has the same purchasing power as $123,711 in Seattle (COL 150). Seattle is more expensive — you'd need 55% more to maintain the same lifestyle.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Charleston $80K | Seattle $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,643 | $5,057 |
| 1BR rent | $1,900 | $2,400 |
| Groceries | $376 | $410 |
| Transport | $55 | $100 |
| Utilities | $162 | $120 |
| Internet | $63 | $65 |
| Left after essentials | $2,087/month | $1,962/month |
Frequently asked questions
What is $80K in Charleston equivalent to in Seattle?
$80K in Charleston (COL index 97) has the same purchasing power as $123,711 in Seattle (COL index 150). That's 55% more than your current salary.
If I move from Charleston to Seattle keeping my $80K salary, will I be better off?
Not necessarily. Core expenses in Seattle are higher, so on the same $80K salary you'd have $125 less per month. You'd need to earn $123,711 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: $80K × (150 ÷ 97) = $123,711. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Charleston to Seattle
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only