$40K in St. Louis = $20,230 in Kigali
Your $40K salary in St. Louis (COL 87) has the same purchasing power as $20,230 in Kigali (COL 44). Kigali is cheaper — your money goes 49% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | St. Louis $40K | Kigali $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,572 | $2,728 |
| 1BR rent | $1,300 | $500 |
| Groceries | $369 | $380 |
| Transport | $75 | $150 |
| Utilities | $162 | $60 |
| Internet | $60 | $35 |
| Left after essentials | $606/month | $1,603/month |
Frequently asked questions
What is $40K in St. Louis equivalent to in Kigali?
$40K in St. Louis (COL index 87) has the same purchasing power as $20,230 in Kigali (COL index 44). That's 49% less than your current salary.
If I move from St. Louis to Kigali keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Kigali, you'd have $997 more per month after core expenses — because Kigali is cheaper than St. Louis.
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 × (44 ÷ 87) = $20,230. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — St. Louis to Kigali
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only