$125,000 Mortgage at 8% for 30 Years
A $125,000 mortgage at 8% over 30 years has a monthly principal + interest payment of $917. You'll pay $205,194 in total interest, bringing total loan cost to $330,194.
Estimated monthly payment
$1,198
Principal + interest
$917
Property tax
$156
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$1,198
1st month interest
$833
1st month principal
$84
Total interest
$205,194
Balance after 1 year
$123,956
Balance after 5 years
$118,837
Total cost (P+I)
$330,194
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $1,044 | $9,962 | $123,956 |
| 2 | $1,131 | $9,876 | $122,825 |
| 3 | $1,225 | $9,782 | $121,600 |
| 4 | $1,326 | $9,680 | $120,274 |
| 5 | $1,436 | $9,570 | $118,837 |
| 6 | $1,556 | $9,451 | $117,282 |
| 7 | $1,685 | $9,322 | $115,597 |
| 8 | $1,825 | $9,182 | $113,772 |
| 9 | $1,976 | $9,030 | $111,796 |
| 10 | $2,140 | $8,866 | $109,656 |
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
$917
Total payments
360
Total interest
$205,194
Total cost (P+I only)
$330,194
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Last updated: 2026