Moving from Chiang Mai to Koh Samui (2026)
Koh Samui has a COL index of 50 vs 39 for Chiang Mai (100 = US average). Expect to pay about 30% more for the same lifestyle.
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Key differences
Salary needed in Koh Samui to match your Chiang Mai lifestyle
Based on the 30% cost of living increase between the two cities.
| Your salary in Chiang Mai | Equivalent in Koh Samui |
|---|---|
| $40K | $51,948 |
| $50K | $64,935 |
| $60K | $77,922 |
| $75K | $97,403 |
| $80K | $103,896 |
| $100K | $129,870 |
| $120K | $155,844 |
| $150K | $194,805 |
Adjust your salary
Monthly budget at $75K — Chiang Mai vs Koh Samui
| Expense | Chiang Mai | Koh Samui |
|---|---|---|
| Monthly take-home | $4,741 | $4,741 |
| 1BR rent | $390 | $620 |
| Groceries | $380 | $380 |
| Transport | $150 | $150 |
| Utilities | $55 | $70 |
| Internet | $20 | $28 |
| Left after essentials | $3,746 | $3,493 |
Frequently asked questions
Is Koh Samui cheaper than Chiang Mai?
No. Koh Samui has a cost of living index of 50 vs 39 for Chiang Mai (100 = US average). That's about 30% more expensive.
How much will I save moving from Chiang Mai to Koh Samui?
On a $75K salary, core expenses in Koh Samui run about $230/month more than Chiang Mai. Factor this into your salary negotiation when relocating.
What salary do I need in Koh Samui to match my Chiang Mai lifestyle?
To maintain the same purchasing power as $75,000 in Chiang Mai, you'd need roughly $97,403/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 · BLS · Numbeo · For general guidance only