$100,000 Mortgage at 5.5% for 15 Years
A $100,000 mortgage at 5.5% over 15 years has a monthly principal + interest payment of $817. You'll pay $47,075 in total interest, bringing total loan cost to $147,075.
Estimated monthly payment
$1,067
Principal + interest
$817
Property tax
$125
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$1,067
1st month interest
$458
1st month principal
$359
Total interest
$47,075
Balance after 1 year
$95,585
Balance after 5 years
$75,289
Total cost (P+I)
$147,075
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $4,415 | $5,390 | $95,585 |
| 2 | $4,664 | $5,141 | $90,921 |
| 3 | $4,927 | $4,878 | $85,993 |
| 4 | $5,205 | $4,600 | $80,788 |
| 5 | $5,499 | $4,306 | $75,289 |
| 6 | $5,809 | $3,996 | $69,480 |
| 7 | $6,137 | $3,668 | $63,343 |
| 8 | $6,483 | $3,322 | $56,860 |
| 9 | $6,849 | $2,956 | $50,012 |
| 10 | $7,235 | $2,570 | $42,777 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $817 | $47,075 | $147,075 |
| 30 years | $568 | $104,404 | $204,404 |
Choosing 15 years over 30 saves about $57,329 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$817
Total payments
180
Total interest
$47,075
Total cost (P+I only)
$147,075
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Last updated: 2026