A $150,000 fixed-rate mortgage at 9% APR paid over 10 years costs $1,900.14 per month. Over the life of the loan you would pay $78,016 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 |
|---|---|---|
| $150,000 at 4% (10yr) | $1,518.68 | $32,241 |
| $150,000 at 4.25% (10yr) | $1,536.56 | $34,388 |
| $150,000 at 4.5% (10yr) | $1,554.58 | $36,549 |
| $150,000 at 4.75% (10yr) | $1,572.72 | $38,726 |
| $150,000 at 5% (10yr) | $1,590.98 | $40,918 |
| $150,000 at 5.25% (10yr) | $1,609.38 | $43,125 |
| $150,000 at 5.5% (10yr) | $1,627.89 | $45,347 |
| $150,000 at 5.75% (10yr) | $1,646.54 | $47,585 |
| $150,000 at 6% (10yr) | $1,665.31 | $49,837 |
| $150,000 at 6.25% (10yr) | $1,684.20 | $52,104 |
| $150,000 at 6.5% (10yr) | $1,703.22 | $54,386 |
| $150,000 at 6.75% (10yr) | $1,722.36 | $56,683 |
| $150,000 at 7% (10yr) | $1,741.63 | $58,995 |
| $150,000 at 7.25% (10yr) | $1,761.02 | $61,322 |
| $150,000 at 7.5% (10yr) | $1,780.53 | $63,663 |
| $150,000 at 7.75% (10yr) | $1,800.16 | $66,019 |
| $150,000 at 8% (10yr) | $1,819.91 | $68,390 |
| $150,000 at 8.5% (10yr) | $1,859.79 | $73,174 |
| $150,000 at 9% (10yr) ← this page | $1,900.14 | $78,016 |