A $600,000 fixed-rate mortgage at 7.5% APR paid over 10 years costs $7,122.11 per month. Over the life of the loan you would pay $254,653 in interest — 42% of the amount borrowed.
The 7.5% rate on this page is 1.71 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 |
|---|---|---|
| $600,000 at 4% (10yr) | $6,074.71 | $128,965 |
| $600,000 at 4.25% (10yr) | $6,146.25 | $137,550 |
| $600,000 at 4.5% (10yr) | $6,218.30 | $146,197 |
| $600,000 at 4.75% (10yr) | $6,290.86 | $154,904 |
| $600,000 at 5% (10yr) | $6,363.93 | $163,672 |
| $600,000 at 5.25% (10yr) | $6,437.50 | $172,500 |
| $600,000 at 5.5% (10yr) | $6,511.58 | $181,389 |
| $600,000 at 5.75% (10yr) | $6,586.15 | $190,338 |
| $600,000 at 6% (10yr) | $6,661.23 | $199,348 |
| $600,000 at 6.25% (10yr) | $6,736.81 | $208,417 |
| $600,000 at 6.5% (10yr) | $6,812.88 | $217,545 |
| $600,000 at 6.75% (10yr) | $6,889.45 | $226,734 |
| $600,000 at 7% (10yr) | $6,966.51 | $235,981 |
| $600,000 at 7.25% (10yr) | $7,044.06 | $245,287 |
| $600,000 at 7.5% (10yr) ← this page | $7,122.11 | $254,653 |
| $600,000 at 7.75% (10yr) | $7,200.64 | $264,077 |
| $600,000 at 8% (10yr) | $7,279.66 | $273,559 |
| $600,000 at 8.5% (10yr) | $7,439.14 | $292,697 |
| $600,000 at 9% (10yr) | $7,600.55 | $312,066 |