$40K in Amarillo = $43,500 in St. Louis
Your $40K salary in Amarillo (COL 80) has the same purchasing power as $43,500 in St. Louis (COL 87). St. Louis is more expensive — you'd need 9% 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 | Amarillo $40K | St. Louis $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,572 |
| 1BR rent | $950 | $1,300 |
| Groceries | $346 | $369 |
| Transport | $38 | $75 |
| Utilities | $170 | $162 |
| Internet | $60 | $60 |
| Left after essentials | $1,164/month | $606/month |
Frequently asked questions
What is $40K in Amarillo equivalent to in St. Louis?
$40K in Amarillo (COL index 80) has the same purchasing power as $43,500 in St. Louis (COL index 87). That's 9% more than your current salary.
If I move from Amarillo to St. Louis keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in St. Louis are higher, so on the same $40K salary you'd have $558 less per month. You'd need to earn $43,500 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 ÷ 80) = $43,500. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Amarillo 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