$40K in Boston = $13,901 in Porto

Your $40K salary in Boston (COL 162) has the same purchasing power as $13,901 in Porto (COL 56). Porto is cheaper — your money goes 65% further there.

$40K in Boston, MA
$2,562/mo take-home
Rent: $3,000/mo (117% of take-home)
Difficult
$13,901/yr in Porto, PT
$716/mo take-home
Rent: $1,100/mo (154% of take-home)
Difficult

Budget breakdown — $40K in both cities

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

Expense
Boston
$40K
Porto
$40K (same salary)
Monthly take-home$2,562$2,062
1BR rent$3,000$1,100
Groceries$418$380
Transport$90$150
Utilities$185$85
Internet$70$30
Left after essentials-$1,201/month$317/month
To match your Boston purchasing power in Porto, you'd need to earn $13,901/year (65% less than $40K). At that salary, you'd have $-1,029/mo left after essentials — vs $-1,201/mo in Boston.

Frequently asked questions

What is $40K in Boston equivalent to in Porto?

$40K in Boston (COL index 162) has the same purchasing power as $13,901 in Porto (COL index 56). That's 65% less than your current salary.

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

Yes. If you keep earning $40K after moving to Porto, you'd have $1,518 more per month after core expenses — because Porto 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 × (56 ÷ 162) = $13,901. This adjusts for differences in housing, food, transport, and general cost of living.

Other salary amounts — Boston to Porto

$50K → $17,377$60K → $20,852$75K → $26,065$80K → $27,802$100K → $34,753$120K → $41,704$150K → $52,130
$40K in Porto → BostonMoving from Boston to PortoBoston vs Porto — full comparisonCan I afford Boston vs Porto on $40K?

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