$325,000 Mortgage at 8% for 15 Years
A $325,000 mortgage at 8% over 15 years has a monthly principal + interest payment of $3,106. You'll pay $234,056 in total interest, bringing total loan cost to $559,056.
Estimated monthly payment
$3,637
Principal + interest
$3,106
Property tax
$406
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$3,637
1st month interest
$2,167
1st month principal
$939
Total interest
$234,056
Balance after 1 year
$313,307
Balance after 5 years
$255,990
Total cost (P+I)
$559,056
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $11,693 | $25,577 | $313,307 |
| 2 | $12,664 | $24,607 | $300,643 |
| 3 | $13,715 | $23,556 | $286,929 |
| 4 | $14,853 | $22,418 | $272,076 |
| 5 | $16,086 | $21,185 | $255,990 |
| 6 | $17,421 | $19,850 | $238,570 |
| 7 | $18,867 | $18,404 | $219,703 |
| 8 | $20,433 | $16,838 | $199,270 |
| 9 | $22,129 | $15,142 | $177,142 |
| 10 | $23,965 | $13,305 | $153,177 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $3,106 | $234,056 | $559,056 |
| 30 years | $2,385 | $533,505 | $858,505 |
Choosing 15 years over 30 saves about $299,448 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$3,106
Total payments
180
Total interest
$234,056
Total cost (P+I only)
$559,056
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$2,867/mo
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$325,000 · 7.5% · 15 yr
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$2,718/mo
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Last updated: 2026