$40K in Columbia = $40,000 in Baton Rouge
Your $40K salary in Columbia (COL 87) has the same purchasing power as $40,000 in Baton Rouge (COL 87). Baton Rouge is more expensive — you'd need 0% 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 | Columbia $40K | Baton Rouge $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,522 | $2,585 |
| 1BR rent | $1,250 | $1,200 |
| Groceries | $361 | $365 |
| Transport | $45 | $45 |
| Utilities | $152 | $212 |
| Internet | $60 | $60 |
| Left after essentials | $654/month | $703/month |
Frequently asked questions
What is $40K in Columbia equivalent to in Baton Rouge?
$40K in Columbia (COL index 87) has the same purchasing power as $40,000 in Baton Rouge (COL index 87). That's 0% less than your current salary.
If I move from Columbia to Baton Rouge keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Baton Rouge are higher, so on the same $40K salary you'd have $49 less per month. You'd need to earn $40,000 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 × (87 ÷ 87) = $40,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Columbia to Baton Rouge
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only