A $275,000 fixed-rate mortgage at 4.25% APR paid over 20 years costs $1,702.89 per month. Over the life of the loan you would pay $133,695 in interest — 49% of the amount borrowed.
The 4.25% rate on this page is 2.18 points below this week's national average of 6.43% for a 30-year fixed mortgage (Freddie Mac PMMS, July 2, 2026).
| Period | Principal paid | Interest paid | Balance |
|---|
| Scenario | Monthly | Total interest |
|---|---|---|
| $275,000 at 4% (20yr) | $1,666.45 | $124,947 |
| $275,000 at 4.25% (20yr) ← this page | $1,702.89 | $133,695 |
| $275,000 at 4.5% (20yr) | $1,739.79 | $142,549 |
| $275,000 at 4.75% (20yr) | $1,777.11 | $151,508 |
| $275,000 at 5% (20yr) | $1,814.88 | $160,571 |
| $275,000 at 5.25% (20yr) | $1,853.07 | $169,737 |
| $275,000 at 5.5% (20yr) | $1,891.69 | $179,006 |
| $275,000 at 5.75% (20yr) | $1,930.73 | $188,375 |
| $275,000 at 6% (20yr) | $1,970.19 | $197,844 |
| $275,000 at 6.25% (20yr) | $2,010.05 | $207,413 |
| $275,000 at 6.5% (20yr) | $2,050.33 | $217,078 |
| $275,000 at 6.75% (20yr) | $2,091.00 | $226,840 |
| $275,000 at 7% (20yr) | $2,132.07 | $236,697 |
| $275,000 at 7.25% (20yr) | $2,173.53 | $246,648 |
| $275,000 at 7.5% (20yr) | $2,215.38 | $256,692 |
| $275,000 at 7.75% (20yr) | $2,257.61 | $266,826 |
| $275,000 at 8% (20yr) | $2,300.21 | $277,050 |
| $275,000 at 8.5% (20yr) | $2,386.51 | $297,763 |
| $275,000 at 9% (20yr) | $2,474.25 | $318,819 |