$1,000,000 Mortgage at 4% for 15 Years
A $1,000,000 mortgage at 4% over 15 years has a monthly principal + interest payment of $7,397. You'll pay $331,438 in total interest, bringing total loan cost to $1,331,438.
Estimated monthly payment
$8,772
Principal + interest
$7,397
Property tax
$1,250
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$8,772
1st month interest
$3,333
1st month principal
$4,064
Total interest
$331,438
Balance after 1 year
$950,333
Balance after 5 years
$730,591
Total cost (P+I)
$1,331,438
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $49,667 | $39,096 | $950,333 |
| 2 | $51,690 | $37,073 | $898,643 |
| 3 | $53,796 | $34,967 | $844,847 |
| 4 | $55,988 | $32,775 | $788,860 |
| 5 | $58,269 | $30,494 | $730,591 |
| 6 | $60,643 | $28,120 | $669,948 |
| 7 | $63,113 | $25,649 | $606,835 |
| 8 | $65,685 | $23,078 | $541,150 |
| 9 | $68,361 | $20,402 | $472,790 |
| 10 | $71,146 | $17,617 | $401,644 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $7,397 | $331,438 | $1,331,438 |
| 30 years | $4,774 | $718,695 | $1,718,695 |
Choosing 15 years over 30 saves about $387,257 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$7,397
Total payments
180
Total interest
$331,438
Total cost (P+I only)
$1,331,438
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Last updated: 2026