$600,000 Mortgage at 6% for 30 Years
A $600,000 mortgage at 6% over 30 years has a monthly principal + interest payment of $3,597. You'll pay $695,029 in total interest, bringing total loan cost to $1,295,029.
Estimated monthly payment
$4,472
Principal + interest
$3,597
Property tax
$750
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$4,472
1st month interest
$3,000
1st month principal
$597
Total interest
$695,029
Balance after 1 year
$592,632
Balance after 5 years
$558,326
Total cost (P+I)
$1,295,029
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $7,368 | $35,800 | $592,632 |
| 2 | $7,823 | $35,345 | $584,809 |
| 3 | $8,305 | $34,863 | $576,504 |
| 4 | $8,817 | $34,350 | $567,687 |
| 5 | $9,361 | $33,807 | $558,326 |
| 6 | $9,938 | $33,229 | $548,388 |
| 7 | $10,551 | $32,616 | $537,836 |
| 8 | $11,202 | $31,965 | $526,634 |
| 9 | $11,893 | $31,275 | $514,741 |
| 10 | $12,627 | $30,541 | $502,114 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $5,063 | $311,365 | $911,365 |
| 30 years | $3,597 | $695,029 | $1,295,029 |
Choosing 15 years over 30 saves about $383,664 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$3,597
Total payments
360
Total interest
$695,029
Total cost (P+I only)
$1,295,029
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Last updated: 2026