$40K in Phnom Penh = $109,333 in Mobile
Your $40K salary in Phnom Penh (COL 30) has the same purchasing power as $109,333 in Mobile (COL 82). Mobile is more expensive — you'd need 173% more to maintain the same lifestyle.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | Phnom Penh $40K | Mobile $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,728 | $2,562 |
| 1BR rent | $350 | $1,100 |
| Groceries | $380 | $353 |
| Transport | $150 | $38 |
| Utilities | $60 | $172 |
| Internet | $40 | $58 |
| Left after essentials | $1,748/month | $841/month |
Frequently asked questions
What is $40K in Phnom Penh equivalent to in Mobile?
$40K in Phnom Penh (COL index 30) has the same purchasing power as $109,333 in Mobile (COL index 82). That's 173% more than your current salary.
If I move from Phnom Penh to Mobile keeping my $40K salary, will I be better off?
Not necessarily. Core expenses in Mobile are higher, so on the same $40K salary you'd have $907 less per month. You'd need to earn $109,333 to maintain the same standard of living.
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: $40K × (82 ÷ 30) = $109,333. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Phnom Penh to Mobile
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only