$750,000 Mortgage at 8% for 30 Years
A $750,000 mortgage at 8% over 30 years has a monthly principal + interest payment of $5,503. You'll pay $1,231,164 in total interest, bringing total loan cost to $1,981,164.
Estimated monthly payment
$6,566
Principal + interest
$5,503
Property tax
$938
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$6,566
1st month interest
$5,000
1st month principal
$503
Total interest
$1,231,164
Balance after 1 year
$743,735
Balance after 5 years
$713,024
Total cost (P+I)
$1,981,164
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $6,265 | $59,774 | $743,735 |
| 2 | $6,785 | $59,254 | $736,950 |
| 3 | $7,348 | $58,690 | $729,601 |
| 4 | $7,958 | $58,080 | $721,643 |
| 5 | $8,619 | $57,420 | $713,024 |
| 6 | $9,334 | $56,705 | $703,690 |
| 7 | $10,109 | $55,930 | $693,581 |
| 8 | $10,948 | $55,091 | $682,633 |
| 9 | $11,857 | $54,182 | $670,776 |
| 10 | $12,841 | $53,198 | $657,935 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $7,167 | $540,130 | $1,290,130 |
| 30 years | $5,503 | $1,231,164 | $1,981,164 |
Choosing 15 years over 30 saves about $691,034 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$5,503
Total payments
360
Total interest
$1,231,164
Total cost (P+I only)
$1,981,164
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Last updated: 2026