$120K in Trenton = $100,571 in Louisville
Your $120K salary in Trenton (COL 105) has the same purchasing power as $100,571 in Louisville (COL 88). Louisville is cheaper — your money goes 16% further there.
Budget breakdown — $120K in both cities
What $120K actually buys you in each city after taxes and core expenses.
| Expense | Trenton $120K | Louisville $120K (same salary) |
|---|---|---|
| Monthly take-home | $6,255 | $6,755 |
| 1BR rent | $1,700 | $1,300 |
| Groceries | $395 | $361 |
| Transport | $80 | $60 |
| Utilities | $215 | $162 |
| Internet | $68 | $60 |
| Left after essentials | $3,797/month | $4,812/month |
Frequently asked questions
What is $120K in Trenton equivalent to in Louisville?
$120K in Trenton (COL index 105) has the same purchasing power as $100,571 in Louisville (COL index 88). That's 16% less than your current salary.
If I move from Trenton to Louisville keeping my $120K salary, will I be better off?
Yes. If you keep earning $120K after moving to Louisville, you'd have $1,015 more per month after core expenses — because Louisville is cheaper than Trenton.
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: $120K × (88 ÷ 105) = $100,571. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Trenton to Louisville
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only