$100,000 Mortgage at 6% for 20 Years
A $100,000 mortgage at 6% over 20 years has a monthly principal + interest payment of $716. You'll pay $71,943 in total interest, bringing total loan cost to $171,943.
Estimated monthly payment
$966
Principal + interest
$716
Property tax
$125
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$966
1st month interest
$500
1st month principal
$216
Total interest
$71,943
Balance after 1 year
$97,330
Balance after 5 years
$84,900
Total cost (P+I)
$171,943
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $2,670 | $5,927 | $97,330 |
| 2 | $2,834 | $5,763 | $94,496 |
| 3 | $3,009 | $5,588 | $91,486 |
| 4 | $3,195 | $5,402 | $88,292 |
| 5 | $3,392 | $5,205 | $84,900 |
| 6 | $3,601 | $4,996 | $81,298 |
| 7 | $3,823 | $4,774 | $77,475 |
| 8 | $4,059 | $4,538 | $73,416 |
| 9 | $4,309 | $4,288 | $69,107 |
| 10 | $4,575 | $4,022 | $64,531 |
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
$716
Total payments
240
Total interest
$71,943
Total cost (P+I only)
$171,943
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Last updated: 2026