Moving from Phuket to Koh Samui (2026)

Koh Samui has a COL index of 50 vs 52 for Phuket (100 = US average). You'd pay about 4% less for the same lifestyle.

Save ~$80/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
52 โ†’ 50
100 = US avg
1BR rent
$700 โ†’ $620
per month
State tax
None โ†’ None
income tax
COL difference
52 โ†’ 50
4% cheaper

Salary needed in Koh Samui to match your Phuket lifestyle

Based on the 4% cost of living decrease between the two cities.

Your salary in PhuketEquivalent in Koh Samui
$40K$38,462
$50K$48,077
$60K$57,692
$75K$72,115
$80K$76,923
$100K$96,154
$120K$115,385
$150K$144,231

Adjust your salary

Save ~$90/moon core expenses at $75K

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

ExpensePhuketKoh Samui
Monthly take-home$4,741$4,741
1BR rent$700$620
Groceries$380$380
Transport$150$150
Utilities$80$70
Internet$28$28
Left after essentials$3,403$3,493

Frequently asked questions

Is Koh Samui cheaper than Phuket?

Yes. Koh Samui has a cost of living index of 50 vs 52 for Phuket (100 = US average). That's about 4% cheaper.

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

On a $75K salary, moving from Phuket to Koh Samui saves roughly $80/month on core expenses. That's ~$960/year.

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

To maintain the same purchasing power as $75,000 in Phuket, you'd need roughly $72,115/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