$40K in Boise = $30,857 in Tulsa

Your $40K salary in Boise (COL 105) has the same purchasing power as $30,857 in Tulsa (COL 81). Tulsa is cheaper — your money goes 23% further there.

$40K in Boise, ID
$2,535/mo take-home
Rent: $1,600/mo (63% of take-home)
Difficult
$30,857/yr in Tulsa, OK
$1,981/mo take-home
Rent: $1,050/mo (53% of take-home)
Difficult

Budget breakdown — $40K in both cities

What $40K actually buys you in each city after taxes and core expenses.

Expense
Boise
$40K
Tulsa
$40K (same salary)
Monthly take-home$2,535$2,568
1BR rent$1,600$1,050
Groceries$372$350
Transport$45$48
Utilities$145$172
Internet$60$58
Left after essentials$313/month$890/month
To match your Boise purchasing power in Tulsa, you'd need to earn $30,857/year (23% less than $40K). At that salary, you'd have $303/mo left after essentials — vs $313/mo in Boise.

Frequently asked questions

What is $40K in Boise equivalent to in Tulsa?

$40K in Boise (COL index 105) has the same purchasing power as $30,857 in Tulsa (COL index 81). That's 23% less than your current salary.

If I move from Boise to Tulsa keeping my $40K salary, will I be better off?

Yes. If you keep earning $40K after moving to Tulsa, you'd have $577 more per month after core expenses — because Tulsa is cheaper than Boise.

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 × (81 ÷ 105) = $30,857. This adjusts for differences in housing, food, transport, and general cost of living.

Other salary amounts — Boise to Tulsa

$50K → $38,571$60K → $46,286$75K → $57,857$80K → $61,714$100K → $77,143$120K → $92,571$150K → $115,714
$40K in Tulsa → BoiseMoving from Boise to TulsaBoise vs Tulsa — full comparisonCan I afford Boise vs Tulsa on $40K?

Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only