$300,000 Mortgage at 7.5% for 20 Years
A $300,000 mortgage at 7.5% over 20 years has a monthly principal + interest payment of $2,417. You'll pay $280,027 in total interest, bringing total loan cost to $580,027.
Estimated monthly payment
$2,917
Principal + interest
$2,417
Property tax
$375
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$2,917
1st month interest
$1,875
1st month principal
$542
Total interest
$280,027
Balance after 1 year
$293,270
Balance after 5 years
$260,706
Total cost (P+I)
$580,027
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $6,730 | $22,272 | $293,270 |
| 2 | $7,252 | $21,749 | $286,018 |
| 3 | $7,815 | $21,186 | $278,203 |
| 4 | $8,422 | $20,580 | $269,782 |
| 5 | $9,075 | $19,926 | $260,706 |
| 6 | $9,780 | $19,221 | $250,926 |
| 7 | $10,539 | $18,462 | $240,387 |
| 8 | $11,357 | $17,644 | $229,030 |
| 9 | $12,239 | $16,762 | $216,790 |
| 10 | $13,189 | $15,812 | $203,601 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $2,781 | $200,587 | $500,587 |
| 30 years | $2,098 | $455,152 | $755,152 |
Choosing 15 years over 30 saves about $254,565 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$2,417
Total payments
240
Total interest
$280,027
Total cost (P+I only)
$580,027
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$2,098/mo
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Last updated: 2026