A $150,000 fixed-rate mortgage at 4.75% APR paid over 20 years costs $969.34 per month. Over the life of the loan you would pay $82,641 in interest — 55% of the amount borrowed.
The 4.75% rate on this page is 1.68 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 |
|---|---|---|
| $150,000 at 4% (20yr) | $908.97 | $68,153 |
| $150,000 at 4.25% (20yr) | $928.85 | $72,924 |
| $150,000 at 4.5% (20yr) | $948.97 | $77,754 |
| $150,000 at 4.75% (20yr) ← this page | $969.34 | $82,641 |
| $150,000 at 5% (20yr) | $989.93 | $87,584 |
| $150,000 at 5.25% (20yr) | $1,010.77 | $92,584 |
| $150,000 at 5.5% (20yr) | $1,031.83 | $97,639 |
| $150,000 at 5.75% (20yr) | $1,053.13 | $102,750 |
| $150,000 at 6% (20yr) | $1,074.65 | $107,915 |
| $150,000 at 6.25% (20yr) | $1,096.39 | $113,134 |
| $150,000 at 6.5% (20yr) | $1,118.36 | $118,406 |
| $150,000 at 6.75% (20yr) | $1,140.55 | $123,731 |
| $150,000 at 7% (20yr) | $1,162.95 | $129,108 |
| $150,000 at 7.25% (20yr) | $1,185.56 | $134,535 |
| $150,000 at 7.5% (20yr) | $1,208.39 | $140,014 |
| $150,000 at 7.75% (20yr) | $1,231.42 | $145,541 |
| $150,000 at 8% (20yr) | $1,254.66 | $151,118 |
| $150,000 at 8.5% (20yr) | $1,301.73 | $162,416 |
| $150,000 at 9% (20yr) | $1,349.59 | $173,901 |