A $125,000 fixed-rate mortgage at 5.5% APR paid over 10 years costs $1,356.58 per month. Over the life of the loan you would pay $37,789 in interest — 30% of the amount borrowed.
The 5.5% rate on this page is 0.29 points below 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 |
|---|---|---|
| $125,000 at 4% (10yr) | $1,265.56 | $26,868 |
| $125,000 at 4.25% (10yr) | $1,280.47 | $28,656 |
| $125,000 at 4.5% (10yr) | $1,295.48 | $30,458 |
| $125,000 at 4.75% (10yr) | $1,310.60 | $32,272 |
| $125,000 at 5% (10yr) | $1,325.82 | $34,098 |
| $125,000 at 5.25% (10yr) | $1,341.15 | $35,938 |
| $125,000 at 5.5% (10yr) ← this page | $1,356.58 | $37,789 |
| $125,000 at 5.75% (10yr) | $1,372.12 | $39,654 |
| $125,000 at 6% (10yr) | $1,387.76 | $41,531 |
| $125,000 at 6.25% (10yr) | $1,403.50 | $43,420 |
| $125,000 at 6.5% (10yr) | $1,419.35 | $45,322 |
| $125,000 at 6.75% (10yr) | $1,435.30 | $47,236 |
| $125,000 at 7% (10yr) | $1,451.36 | $49,163 |
| $125,000 at 7.25% (10yr) | $1,467.51 | $51,102 |
| $125,000 at 7.5% (10yr) | $1,483.77 | $53,053 |
| $125,000 at 7.75% (10yr) | $1,500.13 | $55,016 |
| $125,000 at 8% (10yr) | $1,516.59 | $56,991 |
| $125,000 at 8.5% (10yr) | $1,549.82 | $60,979 |
| $125,000 at 9% (10yr) | $1,583.45 | $65,014 |