$40K in Tulsa = $27,160 in Kraków
Your $40K salary in Tulsa (COL 81) has the same purchasing power as $27,160 in Kraków (COL 55). Kraków is cheaper — your money goes 32% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Tulsa $40K | Kraków $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,568 | $2,328 |
| 1BR rent | $1,050 | $750 |
| Groceries | $350 | $380 |
| Transport | $48 | $150 |
| Utilities | $172 | $90 |
| Internet | $58 | $25 |
| Left after essentials | $890/month | $933/month |
Frequently asked questions
What is $40K in Tulsa equivalent to in Kraków?
$40K in Tulsa (COL index 81) has the same purchasing power as $27,160 in Kraków (COL index 55). That's 32% less than your current salary.
If I move from Tulsa to Kraków keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Kraków, you'd have $43 more per month after core expenses — because Kraków is cheaper than Tulsa.
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 × (55 ÷ 81) = $27,160. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Tulsa to Kraków
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only