Moving from Porto to Koh Samui (2026)

Koh Samui has a COL index of 50 vs 56 for Porto (100 = US average). You'd pay about 11% less for the same lifestyle.

Save ~$1,730/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
56 โ†’ 50
100 = US avg
1BR rent
$1,100 โ†’ $620
per month
State tax
20% โ†’ None
income tax
COL difference
56 โ†’ 50
11% cheaper

Salary needed in Koh Samui to match your Porto lifestyle

Based on the 11% cost of living decrease between the two cities.

Your salary in PortoEquivalent in Koh Samui
$40K$35,524
$50K$44,405
$60K$53,286
$75K$66,607
$80K$71,048
$100K$88,810
$120K$106,572
$150K$133,215

๐Ÿ’ต Household income (before tax)

$75K
$
$30K$300K
Save ~$497/moon core expenses at $75K

Monthly budget at $75K โ€” Porto vs Koh Samui

ExpensePortoKoh Samui
Monthly take-home$3,491$4,741
1BR rent$1,100$620
Groceries$380$380
Transport$150$150
Utilities$85$70
Internet$30$28
Left after essentials$1,746$3,493

30-Year Wealth Builder

If you invest your monthly savings of $497 in a low-cost index fund (7% avg return), you'd accumulate an extra:

$606,326

over 30 years compared to staying in Porto โ€” that's the real price of a city.

$497/mo invested

Frequently asked questions

Is Koh Samui cheaper than Porto?

Yes. Koh Samui has a cost of living index of 50 vs 56 for Porto (100 = US average). That's about 11% cheaper.

How much will I save moving from Porto to Koh Samui?

On a $75K salary, moving from Porto to Koh Samui saves roughly $1,730/month on core expenses. That's ~$20,760/year.

What salary do I need in Koh Samui to match my Porto lifestyle?

To maintain the same purchasing power as $75,000 in Porto, you'd need roughly $66,607/year in Koh Samui. This is based on the overall COL index difference.

Estimates based on Q1 2026 COL index and market data. Budget uses simplified federal/state tax rates. Zillow ยท BLS ยท Numbeo ยท For general guidance only