$40K in West Palm Beach = $29,744 in St. Louis
Your $40K salary in West Palm Beach (COL 117) has the same purchasing power as $29,744 in St. Louis (COL 87). St. Louis is cheaper — your money goes 26% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | West Palm Beach $40K | St. Louis $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,572 |
| 1BR rent | $2,400 | $1,300 |
| Groceries | $403 | $369 |
| Transport | $112 | $75 |
| Utilities | $200 | $162 |
| Internet | $70 | $60 |
| Left after essentials | -$457/month | $606/month |
Frequently asked questions
What is $40K in West Palm Beach equivalent to in St. Louis?
$40K in West Palm Beach (COL index 117) has the same purchasing power as $29,744 in St. Louis (COL index 87). That's 26% less than your current salary.
If I move from West Palm Beach to St. Louis keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to St. Louis, you'd have $1,063 more per month after core expenses — because St. Louis is cheaper than West Palm Beach.
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 ÷ 117) = $29,744. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — West Palm Beach to St. Louis
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only