$100K in Birmingham = $130,952 in New Haven
Your $100K salary in Birmingham (COL 84) has the same purchasing power as $130,952 in New Haven (COL 110). New Haven is more expensive — you'd need 31% more to maintain the same lifestyle.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Birmingham $100K | New Haven $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,904 | $5,738 |
| 1BR rent | $1,200 | $1,800 |
| Groceries | $357 | $410 |
| Transport | $40 | $82 |
| Utilities | $175 | $198 |
| Internet | $58 | $70 |
| Left after essentials | $4,074/month | $3,178/month |
Frequently asked questions
What is $100K in Birmingham equivalent to in New Haven?
$100K in Birmingham (COL index 84) has the same purchasing power as $130,952 in New Haven (COL index 110). That's 31% more than your current salary.
If I move from Birmingham to New Haven keeping my $100K salary, will I be better off?
Not necessarily. Core expenses in New Haven are higher, so on the same $100K salary you'd have $896 less per month. You'd need to earn $130,952 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: $100K × (110 ÷ 84) = $130,952. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Birmingham to New Haven
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only