$900,000 Mortgage at 6% for 20 Years
A $900,000 mortgage at 6% over 20 years has a monthly principal + interest payment of $6,448. You'll pay $647,491 in total interest, bringing total loan cost to $1,547,491.
Estimated monthly payment
$7,698
Principal + interest
$6,448
Property tax
$1,125
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$7,698
1st month interest
$4,500
1st month principal
$1,948
Total interest
$647,491
Balance after 1 year
$875,972
Balance after 5 years
$764,096
Total cost (P+I)
$1,547,491
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $24,028 | $53,346 | $875,972 |
| 2 | $25,510 | $51,864 | $850,462 |
| 3 | $27,084 | $50,291 | $823,378 |
| 4 | $28,754 | $48,620 | $794,624 |
| 5 | $30,528 | $46,847 | $764,096 |
| 6 | $32,410 | $44,964 | $731,686 |
| 7 | $34,409 | $42,965 | $697,277 |
| 8 | $36,532 | $40,843 | $660,745 |
| 9 | $38,785 | $38,590 | $621,960 |
| 10 | $41,177 | $36,197 | $580,783 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $7,595 | $467,048 | $1,367,048 |
| 30 years | $5,396 | $1,042,544 | $1,942,544 |
Choosing 15 years over 30 saves about $575,496 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$6,448
Total payments
240
Total interest
$647,491
Total cost (P+I only)
$1,547,491
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Nearby scenarios
$850,000 · 6% · 20 yr
$6,090/mo
$950,000 · 6% · 20 yr
$6,806/mo
$800,000 · 6% · 20 yr
$5,731/mo
$1,000,000 · 6% · 20 yr
$7,164/mo
$900,000 · 5.5% · 20 yr
$6,191/mo
$900,000 · 6.5% · 20 yr
$6,710/mo
$900,000 · 5% · 20 yr
$5,940/mo
$900,000 · 7% · 20 yr
$6,978/mo
$900,000 · 6% · 15 yr
$7,595/mo
$900,000 · 6% · 30 yr
$5,396/mo
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Frequently asked
Last updated: 2026