$50K in Montgomery = $30,864 in Koh Samui
Your $50K salary in Montgomery (COL 81) has the same purchasing power as $30,864 in Koh Samui (COL 50). Koh Samui is cheaper — your money goes 38% further there.
Budget breakdown — $50K in both cities
What $50K actually buys you in each city after taxes and core expenses.
| Expense | Montgomery $50K | Koh Samui $50K (same salary) |
|---|---|---|
| Monthly take-home | $2,952 | $3,160 |
| 1BR rent | $1,050 | $620 |
| Groceries | $353 | $380 |
| Transport | $38 | $150 |
| Utilities | $170 | $70 |
| Internet | $58 | $28 |
| Left after essentials | $1,283/month | $1,912/month |
Frequently asked questions
What is $50K in Montgomery equivalent to in Koh Samui?
$50K in Montgomery (COL index 81) has the same purchasing power as $30,864 in Koh Samui (COL index 50). That's 38% less than your current salary.
If I move from Montgomery to Koh Samui keeping my $50K salary, will I be better off?
Yes. If you keep earning $50K after moving to Koh Samui, you'd have $629 more per month after core expenses — because Koh Samui is cheaper than Montgomery.
How is the salary equivalent calculated?
The equivalent salary is calculated by multiplying your current salary by the ratio of the two cities' overall cost of living indices: $50K × (50 ÷ 81) = $30,864. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Montgomery to Koh Samui
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only