$80K in Montgomery = $29,630 in Buenos Aires
Your $80K salary in Montgomery (COL 81) has the same purchasing power as $29,630 in Buenos Aires (COL 30). Buenos Aires is cheaper — your money goes 63% further there.
Budget breakdown — $80K in both cities
What $80K actually buys you in each city after taxes and core expenses.
| Expense | Montgomery $80K | Buenos Aires $80K (same salary) |
|---|---|---|
| Monthly take-home | $4,723 | $5,057 |
| 1BR rent | $1,050 | $400 |
| Groceries | $353 | $380 |
| Transport | $38 | $150 |
| Utilities | $170 | $40 |
| Internet | $58 | $20 |
| Left after essentials | $3,054/month | $4,067/month |
Frequently asked questions
What is $80K in Montgomery equivalent to in Buenos Aires?
$80K in Montgomery (COL index 81) has the same purchasing power as $29,630 in Buenos Aires (COL index 30). That's 63% less than your current salary.
If I move from Montgomery to Buenos Aires keeping my $80K salary, will I be better off?
Yes. If you keep earning $80K after moving to Buenos Aires, you'd have $1,013 more per month after core expenses — because Buenos Aires is cheaper than Montgomery.
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: $80K × (30 ÷ 81) = $29,630. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Montgomery to Buenos Aires
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only