$325,000 Mortgage at 3% for 20 Years
A $325,000 mortgage at 3% over 20 years has a monthly principal + interest payment of $1,802. You'll pay $107,586 in total interest, bringing total loan cost to $432,586.
Estimated monthly payment
$2,334
Principal + interest
$1,802
Property tax
$406
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$2,334
1st month interest
$813
1st month principal
$990
Total interest
$107,586
Balance after 1 year
$312,956
Balance after 5 years
$261,003
Total cost (P+I)
$432,586
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $12,044 | $9,585 | $312,956 |
| 2 | $12,410 | $9,219 | $300,546 |
| 3 | $12,788 | $8,841 | $287,758 |
| 4 | $13,177 | $8,453 | $274,581 |
| 5 | $13,578 | $8,052 | $261,003 |
| 6 | $13,991 | $7,639 | $247,013 |
| 7 | $14,416 | $7,213 | $232,597 |
| 8 | $14,855 | $6,775 | $217,742 |
| 9 | $15,306 | $6,323 | $202,436 |
| 10 | $15,772 | $5,857 | $186,664 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $2,244 | $78,990 | $403,990 |
| 30 years | $1,370 | $168,277 | $493,277 |
Choosing 15 years over 30 saves about $89,286 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$1,802
Total payments
240
Total interest
$107,586
Total cost (P+I only)
$432,586
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Last updated: 2026