Moving from Boise to Koh Samui (2026)
Koh Samui has a COL index of 50 vs 105 for Boise (100 = US average). You'd pay about 52% less for the same lifestyle.
Change cities
Key differences
Salary needed in Koh Samui to match your Boise lifestyle
Based on the 52% cost of living decrease between the two cities.
| Your salary in Boise | Equivalent in Koh Samui |
|---|---|
| $40K | $19,048 |
| $50K | $23,810 |
| $60K | $28,571 |
| $75K | $35,714 |
| $80K | $38,095 |
| $100K | $47,619 |
| $120K | $57,143 |
| $150K | $71,429 |
Adjust your salary
Monthly budget at $75K — Boise vs Koh Samui
| Expense | Boise | Koh Samui |
|---|---|---|
| Monthly take-home | $4,378 | $4,741 |
| 1BR rent | $1,600 | $620 |
| Groceries | $372 | $380 |
| Transport | $45 | $150 |
| Utilities | $145 | $70 |
| Internet | $60 | $28 |
| Left after essentials | $2,156 | $3,493 |
30-Year Wealth Builder
If you invest your monthly savings of $974 in a low-cost index fund (7% avg return), you'd accumulate an extra:
over 30 years compared to staying in Boise — that's the real price of a city.
Frequently asked questions
Is Koh Samui cheaper than Boise?
Yes. Koh Samui has a cost of living index of 50 vs 105 for Boise (100 = US average). That's about 52% cheaper.
How much will I save moving from Boise to Koh Samui?
On a $75K salary, moving from Boise to Koh Samui saves roughly $1,343/month on core expenses. That's ~$16,116/year.
What salary do I need in Koh Samui to match my Boise lifestyle?
To maintain the same purchasing power as $75,000 in Boise, you'd need roughly $35,714/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