$40K in Idaho Falls = $25,287 in Montevideo
Your $40K salary in Idaho Falls (COL 87) has the same purchasing power as $25,287 in Montevideo (COL 55). Montevideo is cheaper — your money goes 37% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Idaho Falls $40K | Montevideo $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,535 | $2,328 |
| 1BR rent | $1,100 | $700 |
| Groceries | $365 | $380 |
| Transport | $35 | $150 |
| Utilities | $142 | $70 |
| Internet | $65 | $30 |
| Left after essentials | $828/month | $998/month |
Frequently asked questions
What is $40K in Idaho Falls equivalent to in Montevideo?
$40K in Idaho Falls (COL index 87) has the same purchasing power as $25,287 in Montevideo (COL index 55). That's 37% less than your current salary.
If I move from Idaho Falls to Montevideo keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Montevideo, you'd have $170 more per month after core expenses — because Montevideo is cheaper than Idaho Falls.
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 ÷ 87) = $25,287. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Idaho Falls to Montevideo
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only