$100,000 Mortgage at 6% for 30 Years
A $100,000 mortgage at 6% over 30 years has a monthly principal + interest payment of $600. You'll pay $115,838 in total interest, bringing total loan cost to $215,838.
Estimated monthly payment
$850
Principal + interest
$600
Property tax
$125
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$850
1st month interest
$500
1st month principal
$100
Total interest
$115,838
Balance after 1 year
$98,772
Balance after 5 years
$93,054
Total cost (P+I)
$215,838
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $1,228 | $5,967 | $98,772 |
| 2 | $1,304 | $5,891 | $97,468 |
| 3 | $1,384 | $5,810 | $96,084 |
| 4 | $1,470 | $5,725 | $94,615 |
| 5 | $1,560 | $5,634 | $93,054 |
| 6 | $1,656 | $5,538 | $91,398 |
| 7 | $1,759 | $5,436 | $89,639 |
| 8 | $1,867 | $5,328 | $87,772 |
| 9 | $1,982 | $5,212 | $85,790 |
| 10 | $2,104 | $5,090 | $83,686 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $844 | $51,894 | $151,894 |
| 30 years | $600 | $115,838 | $215,838 |
Choosing 15 years over 30 saves about $63,944 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$600
Total payments
360
Total interest
$115,838
Total cost (P+I only)
$215,838
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Last updated: 2026