$300,000 Mortgage at 9% for 20 Years
A $300,000 mortgage at 9% over 20 years has a monthly principal + interest payment of $2,699. You'll pay $347,803 in total interest, bringing total loan cost to $647,803.
Estimated monthly payment
$3,199
Principal + interest
$2,699
Property tax
$375
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$3,199
1st month interest
$2,250
1st month principal
$449
Total interest
$347,803
Balance after 1 year
$294,382
Balance after 5 years
$266,121
Total cost (P+I)
$647,803
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $5,618 | $26,772 | $294,382 |
| 2 | $6,145 | $26,245 | $288,237 |
| 3 | $6,722 | $25,669 | $281,515 |
| 4 | $7,352 | $25,038 | $274,163 |
| 5 | $8,042 | $24,348 | $266,121 |
| 6 | $8,796 | $23,594 | $257,325 |
| 7 | $9,621 | $22,769 | $247,704 |
| 8 | $10,524 | $21,866 | $237,180 |
| 9 | $11,511 | $20,879 | $225,669 |
| 10 | $12,591 | $19,799 | $213,078 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $3,043 | $247,704 | $547,704 |
| 30 years | $2,414 | $568,992 | $868,992 |
Choosing 15 years over 30 saves about $321,288 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$2,699
Total payments
240
Total interest
$347,803
Total cost (P+I only)
$647,803
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Last updated: 2026