$750,000 Mortgage at 8.5% for 20 Years
A $750,000 mortgage at 8.5% over 20 years has a monthly principal + interest payment of $6,509. You'll pay $812,082 in total interest, bringing total loan cost to $1,562,082.
Estimated monthly payment
$7,571
Principal + interest
$6,509
Property tax
$938
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$7,571
1st month interest
$5,313
1st month principal
$1,196
Total interest
$812,082
Balance after 1 year
$735,073
Balance after 5 years
$660,954
Total cost (P+I)
$1,562,082
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $14,927 | $63,177 | $735,073 |
| 2 | $16,246 | $61,858 | $718,827 |
| 3 | $17,682 | $60,422 | $701,145 |
| 4 | $19,245 | $58,859 | $681,900 |
| 5 | $20,946 | $57,158 | $660,954 |
| 6 | $22,798 | $55,307 | $638,156 |
| 7 | $24,813 | $53,291 | $613,344 |
| 8 | $27,006 | $51,098 | $586,338 |
| 9 | $29,393 | $48,711 | $556,945 |
| 10 | $31,991 | $46,113 | $524,954 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $7,386 | $579,398 | $1,329,398 |
| 30 years | $5,767 | $1,326,066 | $2,076,066 |
Choosing 15 years over 30 saves about $746,668 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$6,509
Total payments
240
Total interest
$812,082
Total cost (P+I only)
$1,562,082
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Last updated: 2026