Moving from Koh Samui to Chiang Mai (2026)

Chiang Mai has a COL index of 39 vs 50 for Koh Samui (100 = US average). You'd pay about 23% less for the same lifestyle.

Save ~$230/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
50 โ†’ 39
100 = US avg
1BR rent
$620 โ†’ $390
per month
State tax
None โ†’ None
income tax
COL difference
50 โ†’ 39
23% cheaper

Salary needed in Chiang Mai to match your Koh Samui lifestyle

Based on the 23% cost of living decrease between the two cities.

Your salary in Koh SamuiEquivalent in Chiang Mai
$40K$30,800
$50K$38,500
$60K$46,200
$75K$57,750
$80K$61,600
$100K$77,000
$120K$92,400
$150K$115,500

Adjust your salary

Save ~$253/moon core expenses at $75K

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

ExpenseKoh SamuiChiang Mai
Monthly take-home$4,741$4,741
1BR rent$620$390
Groceries$380$380
Transport$150$150
Utilities$70$55
Internet$28$20
Left after essentials$3,493$3,746

30-Year Wealth Builder

If you invest your monthly savings of $253 in a low-cost index fund (7% avg return), you'd accumulate an extra:

$308,653

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

$253/mo invested

Frequently asked questions

Is Chiang Mai cheaper than Koh Samui?

Yes. Chiang Mai has a cost of living index of 39 vs 50 for Koh Samui (100 = US average). That's about 23% cheaper.

How much will I save moving from Koh Samui to Chiang Mai?

On a $75K salary, moving from Koh Samui to Chiang Mai saves roughly $230/month on core expenses. That's ~$2,760/year.

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

To maintain the same purchasing power as $75,000 in Koh Samui, you'd need roughly $57,750/year in Chiang Mai. 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