A $100,000 fixed-rate mortgage at 7.5% APR paid over 10 years costs $1,187.02 per month. Over the life of the loan you would pay $42,442 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 |
|---|---|---|
| $100,000 at 4% (10yr) | $1,012.45 | $21,494 |
| $100,000 at 4.25% (10yr) | $1,024.38 | $22,925 |
| $100,000 at 4.5% (10yr) | $1,036.38 | $24,366 |
| $100,000 at 4.75% (10yr) | $1,048.48 | $25,817 |
| $100,000 at 5% (10yr) | $1,060.66 | $27,279 |
| $100,000 at 5.25% (10yr) | $1,072.92 | $28,750 |
| $100,000 at 5.5% (10yr) | $1,085.26 | $30,232 |
| $100,000 at 5.75% (10yr) | $1,097.69 | $31,723 |
| $100,000 at 6% (10yr) | $1,110.21 | $33,225 |
| $100,000 at 6.25% (10yr) | $1,122.80 | $34,736 |
| $100,000 at 6.5% (10yr) | $1,135.48 | $36,258 |
| $100,000 at 6.75% (10yr) | $1,148.24 | $37,789 |
| $100,000 at 7% (10yr) | $1,161.08 | $39,330 |
| $100,000 at 7.25% (10yr) | $1,174.01 | $40,881 |
| $100,000 at 7.5% (10yr) ← this page | $1,187.02 | $42,442 |
| $100,000 at 7.75% (10yr) | $1,200.11 | $44,013 |
| $100,000 at 8% (10yr) | $1,213.28 | $45,593 |
| $100,000 at 8.5% (10yr) | $1,239.86 | $48,783 |
| $100,000 at 9% (10yr) | $1,266.76 | $52,011 |