$40K in Lafayette = $30,776 in Madrid
Your $40K salary in Lafayette (COL 85) has the same purchasing power as $30,776 in Madrid (COL 65). Madrid is cheaper — your money goes 23% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Lafayette $40K | Madrid $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,585 | $2,028 |
| 1BR rent | $1,100 | $1,200 |
| Groceries | $361 | $380 |
| Transport | $42 | $150 |
| Utilities | $208 | $95 |
| Internet | $58 | $35 |
| Left after essentials | $816/month | $168/month |
Frequently asked questions
What is $40K in Lafayette equivalent to in Madrid?
$40K in Lafayette (COL index 85) has the same purchasing power as $30,776 in Madrid (COL index 65). That's 23% less than your current salary.
If I move from Lafayette to Madrid keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Madrid, you'd have $-648 more per month after core expenses — because Madrid is cheaper than Lafayette.
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 × (65 ÷ 85) = $30,776. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Lafayette to Madrid
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only