$150K in Billings = $80,899 in Sofia
Your $150K salary in Billings (COL 89) has the same purchasing power as $80,899 in Sofia (COL 48). Sofia is cheaper — your money goes 46% further there.
Budget breakdown — $150K in both cities
What $150K actually buys you in each city after taxes and core expenses.
| Expense | Billings $150K | Sofia $150K (same salary) |
|---|---|---|
| Monthly take-home | $8,094 | $7,694 |
| 1BR rent | $1,200 | $540 |
| Groceries | $369 | $380 |
| Transport | $42 | $150 |
| Utilities | $148 | $75 |
| Internet | $68 | $20 |
| Left after essentials | $6,267/month | $6,529/month |
Frequently asked questions
What is $150K in Billings equivalent to in Sofia?
$150K in Billings (COL index 89) has the same purchasing power as $80,899 in Sofia (COL index 48). That's 46% less than your current salary.
If I move from Billings to Sofia keeping my $150K salary, will I be better off?
Yes. If you keep earning $150K after moving to Sofia, you'd have $262 more per month after core expenses — because Sofia is cheaper than Billings.
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: $150K × (48 ÷ 89) = $80,899. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Billings to Sofia
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only