$100K in Billings = $91,011 in Tulsa
Your $100K salary in Billings (COL 89) has the same purchasing power as $91,011 in Tulsa (COL 81). Tulsa is cheaper — your money goes 9% further there.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Billings $100K | Tulsa $100K (same salary) |
|---|---|---|
| Monthly take-home | $5,754 | $5,921 |
| 1BR rent | $1,200 | $1,050 |
| Groceries | $369 | $350 |
| Transport | $42 | $48 |
| Utilities | $148 | $172 |
| Internet | $68 | $58 |
| Left after essentials | $3,927/month | $4,243/month |
Frequently asked questions
What is $100K in Billings equivalent to in Tulsa?
$100K in Billings (COL index 89) has the same purchasing power as $91,011 in Tulsa (COL index 81). That's 9% less than your current salary.
If I move from Billings to Tulsa keeping my $100K salary, will I be better off?
Yes. If you keep earning $100K after moving to Tulsa, you'd have $316 more per month after core expenses — because Tulsa 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: $100K × (81 ÷ 89) = $91,011. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Billings to Tulsa
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only