$40K in San Diego = $8,108 in Phnom Penh
Your $40K salary in San Diego (COL 148) has the same purchasing power as $8,108 in Phnom Penh (COL 30). Phnom Penh is cheaper — your money goes 80% further there.
Budget breakdown — $40K in both cities
What $40K actually buys you in each city after taxes and core expenses.
| Expense | San Diego $40K | Phnom Penh $40K (same salary) |
|---|---|---|
| Monthly take-home | $2,418 | $2,728 |
| 1BR rent | $2,600 | $350 |
| Groceries | $414 | $380 |
| Transport | $100 | $150 |
| Utilities | $130 | $60 |
| Internet | $65 | $40 |
| Left after essentials | -$891/month | $1,748/month |
Frequently asked questions
What is $40K in San Diego equivalent to in Phnom Penh?
$40K in San Diego (COL index 148) has the same purchasing power as $8,108 in Phnom Penh (COL index 30). That's 80% less than your current salary.
If I move from San Diego to Phnom Penh keeping my $40K salary, will I be better off?
Yes. If you keep earning $40K after moving to Phnom Penh, you'd have $2,639 more per month after core expenses — because Phnom Penh is cheaper than San Diego.
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 × (30 ÷ 148) = $8,108. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — San Diego to Phnom Penh
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only