$300,000 Mortgage at 6% for 15 Years
A $300,000 mortgage at 6% over 15 years has a monthly principal + interest payment of $2,532. You'll pay $155,683 in total interest, bringing total loan cost to $455,683.
Estimated monthly payment
$3,032
Principal + interest
$2,532
Property tax
$375
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$3,032
1st month interest
$1,500
1st month principal
$1,032
Total interest
$155,683
Balance after 1 year
$287,275
Balance after 5 years
$228,027
Total cost (P+I)
$455,683
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $12,725 | $17,654 | $287,275 |
| 2 | $13,510 | $16,869 | $273,765 |
| 3 | $14,343 | $16,036 | $259,422 |
| 4 | $15,228 | $15,151 | $244,194 |
| 5 | $16,167 | $14,212 | $228,027 |
| 6 | $17,164 | $13,215 | $210,863 |
| 7 | $18,223 | $12,156 | $192,640 |
| 8 | $19,347 | $11,032 | $173,294 |
| 9 | $20,540 | $9,839 | $152,754 |
| 10 | $21,807 | $8,572 | $130,947 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $2,532 | $155,683 | $455,683 |
| 30 years | $1,799 | $347,515 | $647,515 |
Choosing 15 years over 30 saves about $191,832 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$2,532
Total payments
180
Total interest
$155,683
Total cost (P+I only)
$455,683
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Last updated: 2026