$125,000 Mortgage at 8% for 20 Years
A $125,000 mortgage at 8% over 20 years has a monthly principal + interest payment of $1,046. You'll pay $125,932 in total interest, bringing total loan cost to $250,932.
Estimated monthly payment
$1,327
Principal + interest
$1,046
Property tax
$156
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$1,327
1st month interest
$833
1st month principal
$212
Total interest
$125,932
Balance after 1 year
$122,358
Balance after 5 years
$109,407
Total cost (P+I)
$250,932
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $2,642 | $9,905 | $122,358 |
| 2 | $2,861 | $9,685 | $119,497 |
| 3 | $3,099 | $9,448 | $116,398 |
| 4 | $3,356 | $9,191 | $113,042 |
| 5 | $3,635 | $8,912 | $109,407 |
| 6 | $3,936 | $8,610 | $105,471 |
| 7 | $4,263 | $8,284 | $101,208 |
| 8 | $4,617 | $7,930 | $96,591 |
| 9 | $5,000 | $7,547 | $91,591 |
| 10 | $5,415 | $7,132 | $86,176 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $1,195 | $90,022 | $215,022 |
| 30 years | $917 | $205,194 | $330,194 |
Choosing 15 years over 30 saves about $115,172 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$1,046
Total payments
240
Total interest
$125,932
Total cost (P+I only)
$250,932
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Last updated: 2026