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Updated February 2026โขโฑ๏ธ 9 min readโข๐ Mortgages
What Does a $500,000 House Actually Cost per Month? (At 6%, 7%, and 8% Rates)
Rate changes are brutal. A single point can add hundreds per month. Here's what a $500k home costs at 6%, 7%, and 8% rates, and why the rate slider matters more than most buyers expect.
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Monthly cost at 6%, 7%, and 8%
| Rate | Principal + interest | Estimated PITI |
|---|---|---|
| 6% | ~$2,997 | ~$3,600 |
| 7% | ~$3,327 | ~$3,950 |
| 8% | ~$3,669 | ~$4,320 |
PITI is still the full story
Even if rates drop, property taxes and insurance remain. Always compare total PITI, not just principal and interest.
Rate changes shrink buying power fast
If rates rise, the same monthly budget buys less house. That's why rate sensitivity is the fastest way to evaluate affordability.
AG
Anand Godar
Financial engineer and founder of QuantCurb. Former fintech data scientist building institutional-grade calculators for everyday wealth decisions.
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