Moving from Dayton to Koh Samui (2026)

Koh Samui has a COL index of 50 vs 83 for Dayton (100 = US average). You'd pay about 40% less for the same lifestyle.

Save ~$699/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
83 โ†’ 50
100 = US avg
1BR rent
$1,100 โ†’ $620
per month
State tax
3.5% โ†’ None
income tax
COL difference
83 โ†’ 50
40% cheaper

Salary needed in Koh Samui to match your Dayton lifestyle

Based on the 40% cost of living decrease between the two cities.

Your salary in DaytonEquivalent in Koh Samui
$40K$24,096
$50K$30,120
$60K$36,145
$75K$45,181
$80K$48,193
$100K$60,241
$120K$72,289
$150K$90,361

Adjust your salary

Save ~$493/moon core expenses at $75K

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

ExpenseDaytonKoh Samui
Monthly take-home$4,522$4,741
1BR rent$1,100$620
Groceries$361$380
Transport$60$150
Utilities$162$70
Internet$58$28
Left after essentials$2,781$3,493

30-Year Wealth Builder

If you invest your monthly savings of $493 in a low-cost index fund (7% avg return), you'd accumulate an extra:

$601,446

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

$493/mo invested

Frequently asked questions

Is Koh Samui cheaper than Dayton?

Yes. Koh Samui has a cost of living index of 50 vs 83 for Dayton (100 = US average). That's about 40% cheaper.

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

On a $75K salary, moving from Dayton to Koh Samui saves roughly $699/month on core expenses. That's ~$8,388/year.

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

To maintain the same purchasing power as $75,000 in Dayton, you'd need roughly $45,181/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