$40K in Billings = $37,978 in Amsterdam
Your $40K salary in Billings (COL 89) has the same purchasing power as $37,978 in Amsterdam (COL 85). Amsterdam is cheaper — your money goes 5% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Billings $40K | Amsterdam $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,502 | $1,695 |
| 1BR rent | $1,200 | $1,800 |
| Groceries | $369 | $380 |
| Transport | $42 | $150 |
| Utilities | $148 | $110 |
| Internet | $68 | $40 |
| Left after essentials | $675/month | -$785/month |
Frequently asked questions
What is $40K in Billings equivalent to in Amsterdam?
$40K in Billings (COL index 89) has the same purchasing power as $37,978 in Amsterdam (COL index 85). That's 5% less than your current salary.
If I move from Billings to Amsterdam keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Amsterdam, you'd have $-1,460 more per month after core expenses — because Amsterdam is cheaper than Billings.
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 × (85 ÷ 89) = $37,978. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Billings to Amsterdam
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only