$300,000 Mortgage at 9% for 15 Years
A $300,000 mortgage at 9% over 15 years has a monthly principal + interest payment of $3,043. You'll pay $247,704 in total interest, bringing total loan cost to $547,704.
Estimated monthly payment
$3,543
Principal + interest
$3,043
Property tax
$375
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$3,543
1st month interest
$2,250
1st month principal
$793
Total interest
$247,704
Balance after 1 year
$290,084
Balance after 5 years
$240,204
Total cost (P+I)
$547,704
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $9,916 | $26,598 | $290,084 |
| 2 | $10,846 | $25,667 | $279,238 |
| 3 | $11,864 | $24,650 | $267,374 |
| 4 | $12,977 | $23,537 | $254,398 |
| 5 | $14,194 | $22,320 | $240,204 |
| 6 | $15,525 | $20,988 | $224,678 |
| 7 | $16,982 | $19,532 | $207,697 |
| 8 | $18,575 | $17,939 | $189,122 |
| 9 | $20,317 | $16,196 | $168,805 |
| 10 | $22,223 | $14,291 | $146,582 |
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
$3,043
Total payments
180
Total interest
$247,704
Total cost (P+I only)
$547,704
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Last updated: 2026