$80K in Charleston = $71,753 in San Antonio
Your $80K salary in Charleston (COL 97) has the same purchasing power as $71,753 in San Antonio (COL 87). San Antonio is cheaper — your money goes 10% further there.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Charleston $80K | San Antonio $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,643 | $5,057 |
| 1BR rent | $1,900 | $1,100 |
| Groceries | $376 | $353 |
| Transport | $55 | $48 |
| Utilities | $162 | $175 |
| Internet | $63 | $60 |
| Left after essentials | $2,087/month | $3,321/month |
Frequently asked questions
What is $80K in Charleston equivalent to in San Antonio?
$80K in Charleston (COL index 97) has the same purchasing power as $71,753 in San Antonio (COL index 87). That's 10% less than your current salary.
If I move from Charleston to San Antonio keeping my $80K salary, will I be better off?
Yes. If you keep earning $80K after moving to San Antonio, you'd have $1,234 more per month after core expenses — because San Antonio is cheaper than Charleston.
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 × (87 ÷ 97) = $71,753. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Charleston to San Antonio
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only