Moving from Seattle to Koh Samui (2026)

Koh Samui has a COL index of 50 vs 150 for Seattle (100 = US average). You'd pay about 67% less for the same lifestyle.

Save ~$1,780/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
150 โ†’ 50
100 = US avg
1BR rent
$2,400 โ†’ $620
per month
State tax
None โ†’ None
income tax
COL difference
150 โ†’ 50
67% cheaper

Salary needed in Koh Samui to match your Seattle lifestyle

Based on the 67% cost of living decrease between the two cities.

Your salary in SeattleEquivalent in Koh Samui
$40K$13,333
$50K$16,667
$60K$20,000
$75K$25,000
$80K$26,667
$100K$33,333
$120K$40,000
$150K$50,000

Adjust your salary

Save ~$1,847/moon core expenses at $75K

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

ExpenseSeattleKoh Samui
Monthly take-home$4,741$4,741
1BR rent$2,400$620
Groceries$410$380
Transport$100$150
Utilities$120$70
Internet$65$28
Left after essentials$1,646$3,493

30-Year Wealth Builder

If you invest your monthly savings of $1,847 in a low-cost index fund (7% avg return), you'd accumulate an extra:

$2,253,286

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

$1,847/mo invested

Frequently asked questions

Is Koh Samui cheaper than Seattle?

Yes. Koh Samui has a cost of living index of 50 vs 150 for Seattle (100 = US average). That's about 67% cheaper.

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

On a $75K salary, moving from Seattle to Koh Samui saves roughly $1,780/month on core expenses. That's ~$21,360/year.

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

To maintain the same purchasing power as $75,000 in Seattle, you'd need roughly $25,000/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