$40K in Eugene = $40,000 in Chicago
Your $40K salary in Eugene (COL 107) has the same purchasing power as $40,000 in Chicago (COL 107). Chicago is more expensive — you'd need 0% 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 | Eugene $40K | Chicago $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,398 | $2,565 |
| 1BR rent | $1,650 | $1,900 |
| Groceries | $395 | $388 |
| Transport | $82 | $105 |
| Utilities | $128 | $165 |
| Internet | $65 | $65 |
| Left after essentials | $78/month | -$58/month |
Frequently asked questions
What is $40K in Eugene equivalent to in Chicago?
$40K in Eugene (COL index 107) has the same purchasing power as $40,000 in Chicago (COL index 107). That's 0% less than your current salary.
If I move from Eugene to Chicago keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Chicago are higher, so on the same $40K salary you'd have $136 less per month. You'd need to earn $40,000 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 × (107 ÷ 107) = $40,000. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Eugene to Chicago
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only