$40K in Billings = $52,584 in West Palm Beach
Your $40K salary in Billings (COL 89) has the same purchasing power as $52,584 in West Palm Beach (COL 117). West Palm Beach is more expensive — you'd need 31% 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 | Billings $40K | West Palm Beach $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,502 | $2,728 |
| 1BR rent | $1,200 | $2,400 |
| Groceries | $369 | $403 |
| Transport | $42 | $112 |
| Utilities | $148 | $200 |
| Internet | $68 | $70 |
| Left after essentials | $675/month | -$457/month |
Frequently asked questions
What is $40K in Billings equivalent to in West Palm Beach?
$40K in Billings (COL index 89) has the same purchasing power as $52,584 in West Palm Beach (COL index 117). That's 31% more than your current salary.
If I move from Billings to West Palm Beach keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in West Palm Beach are higher, so on the same $40K salary you'd have $1,132 less per month. You'd need to earn $52,584 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 × (117 ÷ 89) = $52,584. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Billings to West Palm Beach
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only