A $475,000 fixed-rate mortgage at 4.25% APR paid over 10 years costs $4,865.78 per month. Over the life of the loan you would pay $108,894 in interest — 23% of the amount borrowed.
The 4.25% rate on this page is 1.54 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 |
|---|---|---|
| $475,000 at 4% (10yr) | $4,809.14 | $102,097 |
| $475,000 at 4.25% (10yr) ← this page | $4,865.78 | $108,894 |
| $475,000 at 4.5% (10yr) | $4,922.82 | $115,739 |
| $475,000 at 4.75% (10yr) | $4,980.27 | $122,632 |
| $475,000 at 5% (10yr) | $5,038.11 | $129,573 |
| $475,000 at 5.25% (10yr) | $5,096.36 | $136,563 |
| $475,000 at 5.5% (10yr) | $5,155.00 | $143,600 |
| $475,000 at 5.75% (10yr) | $5,214.04 | $150,685 |
| $475,000 at 6% (10yr) | $5,273.47 | $157,817 |
| $475,000 at 6.25% (10yr) | $5,333.30 | $164,997 |
| $475,000 at 6.5% (10yr) | $5,393.53 | $172,223 |
| $475,000 at 6.75% (10yr) | $5,454.15 | $179,497 |
| $475,000 at 7% (10yr) | $5,515.15 | $186,818 |
| $475,000 at 7.25% (10yr) | $5,576.55 | $194,186 |
| $475,000 at 7.5% (10yr) | $5,638.33 | $201,600 |
| $475,000 at 7.75% (10yr) | $5,700.50 | $209,061 |
| $475,000 at 8% (10yr) | $5,763.06 | $216,567 |
| $475,000 at 8.5% (10yr) | $5,889.32 | $231,718 |
| $475,000 at 9% (10yr) | $6,017.10 | $247,052 |