A $500,000 fixed-rate mortgage at 9% APR paid over 10 years costs $6,333.79 per month. Over the life of the loan you would pay $260,055 in interest — 52% of the amount borrowed.
The 9% rate on this page is 3.21 points above this week's national average of 5.79% for a 15-year fixed mortgage (Freddie Mac PMMS, July 2, 2026).
| Period | Principal paid | Interest paid | Balance |
|---|
| Scenario | Monthly | Total interest |
|---|---|---|
| $500,000 at 4% (10yr) | $5,062.26 | $107,471 |
| $500,000 at 4.25% (10yr) | $5,121.88 | $114,625 |
| $500,000 at 4.5% (10yr) | $5,181.92 | $121,830 |
| $500,000 at 4.75% (10yr) | $5,242.39 | $129,086 |
| $500,000 at 5% (10yr) | $5,303.28 | $136,393 |
| $500,000 at 5.25% (10yr) | $5,364.59 | $143,750 |
| $500,000 at 5.5% (10yr) | $5,426.31 | $151,158 |
| $500,000 at 5.75% (10yr) | $5,488.46 | $158,615 |
| $500,000 at 6% (10yr) | $5,551.03 | $166,123 |
| $500,000 at 6.25% (10yr) | $5,614.00 | $173,681 |
| $500,000 at 6.5% (10yr) | $5,677.40 | $181,288 |
| $500,000 at 6.75% (10yr) | $5,741.21 | $188,945 |
| $500,000 at 7% (10yr) | $5,805.42 | $196,651 |
| $500,000 at 7.25% (10yr) | $5,870.05 | $204,406 |
| $500,000 at 7.5% (10yr) | $5,935.09 | $212,211 |
| $500,000 at 7.75% (10yr) | $6,000.53 | $220,064 |
| $500,000 at 8% (10yr) | $6,066.38 | $227,966 |
| $500,000 at 8.5% (10yr) | $6,199.28 | $243,914 |
| $500,000 at 9% (10yr) ← this page | $6,333.79 | $260,055 |