$40K in Boston = $28,889 in Scottsdale
Your $40K salary in Boston (COL 162) has the same purchasing power as $28,889 in Scottsdale (COL 117). Scottsdale is cheaper — your money goes 28% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Boston $40K | Scottsdale $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,562 | $2,645 |
| 1BR rent | $3,000 | $2,000 |
| Groceries | $418 | $395 |
| Transport | $90 | $50 |
| Utilities | $185 | $215 |
| Internet | $70 | $65 |
| Left after essentials | -$1,201/month | -$80/month |
Frequently asked questions
What is $40K in Boston equivalent to in Scottsdale?
$40K in Boston (COL index 162) has the same purchasing power as $28,889 in Scottsdale (COL index 117). That's 28% less than your current salary.
If I move from Boston to Scottsdale keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Scottsdale, you'd have $1,121 more per month after core expenses — because Scottsdale is cheaper than Boston.
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 ÷ 162) = $28,889. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Boston to Scottsdale
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only