$100K in Chattanooga = $119,767 in Tempe
Your $100K salary in Chattanooga (COL 86) has the same purchasing power as $119,767 in Tempe (COL 103). Tempe is more expensive — you'd need 20% more to maintain the same lifestyle.
Budget breakdown — $100K in both cities
What $100K actually buys you in each city after taxes and core expenses.
| Expense | Chattanooga $100K | Tempe $100K (same salary) |
|---|---|---|
| Monthly take-home | $6,321 | $6,113 |
| 1BR rent | $1,250 | $1,600 |
| Groceries | $357 | $380 |
| Transport | $45 | $55 |
| Utilities | $165 | $210 |
| Internet | $58 | $62 |
| Left after essentials | $4,446/month | $3,806/month |
Frequently asked questions
What is $100K in Chattanooga equivalent to in Tempe?
$100K in Chattanooga (COL index 86) has the same purchasing power as $119,767 in Tempe (COL index 103). That's 20% more than your current salary.
If I move from Chattanooga to Tempe keeping my $100K salary, will I be better off?
Not necessarily. Core expenses in Tempe are higher, so on the same $100K salary you'd have $640 less per month. You'd need to earn $119,767 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: $100K × (103 ÷ 86) = $119,767. This adjusts for differences in housing, food, transport, and general cost of living.
Other salary amounts — Chattanooga to Tempe
Equivalency uses overall COL index ratio. Take-home uses simplified federal/state brackets. Zillow · BLS · Numbeo · Q1 2026 · For general guidance only