$100K in Boise = $81,429 in Tokyo

Your $100K salary in Boise (COL 105) has the same purchasing power as $81,429 in Tokyo (COL 86). Tokyo is cheaper — your money goes 19% further there.

$100K in Boise, ID
$5,838/mo take-home
Rent: $1,600/mo (27% of take-home)
Comfortable
$81,429/yr in Tokyo, JP
$3,790/mo take-home
Rent: $1,200/mo (32% of take-home)
Manageable

Budget breakdown — $100K in both cities

What $100K actually buys you in each city after taxes and core expenses.

Expense
Boise
$100K
Tokyo
$100K (same salary)
Monthly take-home$5,838$4,654
1BR rent$1,600$1,200
Groceries$372$380
Transport$45$150
Utilities$145$90
Internet$60$30
Left after essentials$3,616/month$2,804/month
To match your Boise purchasing power in Tokyo, you'd need to earn $81,429/year (19% less than $100K). At that salary, you'd have $1,940/mo left after essentials — vs $3,616/mo in Boise.

Frequently asked questions

What is $100K in Boise equivalent to in Tokyo?

$100K in Boise (COL index 105) has the same purchasing power as $81,429 in Tokyo (COL index 86). That's 19% less than your current salary.

If I move from Boise to Tokyo keeping my $100K salary, will I be better off?

Yes. If you keep earning $100K after moving to Tokyo, you'd have $-812 more per month after core expenses — because Tokyo 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: $100K × (86 ÷ 105) = $81,429. This adjusts for differences in housing, food, transport, and general cost of living.

Other salary amounts — Boise to Tokyo

$40K → $32,571$50K → $40,714$60K → $48,857$75K → $61,071$80K → $65,143$120K → $97,714$150K → $122,143
$100K in Tokyo → BoiseMoving from Boise to TokyoBoise vs Tokyo — full comparisonCan I afford Boise vs Tokyo on $100K?

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