$300,000 Mortgage at 5% for 20 Years
A $300,000 mortgage at 5% over 20 years has a monthly principal + interest payment of $1,980. You'll pay $175,168 in total interest, bringing total loan cost to $475,168.
Estimated monthly payment
$2,480
Principal + interest
$1,980
Property tax
$375
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$2,480
1st month interest
$1,250
1st month principal
$730
Total interest
$175,168
Balance after 1 year
$291,038
Balance after 5 years
$250,365
Total cost (P+I)
$475,168
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $8,962 | $14,796 | $291,038 |
| 2 | $9,420 | $14,338 | $281,618 |
| 3 | $9,902 | $13,856 | $271,715 |
| 4 | $10,409 | $13,349 | $261,306 |
| 5 | $10,942 | $12,817 | $250,365 |
| 6 | $11,501 | $12,257 | $238,863 |
| 7 | $12,090 | $11,669 | $226,773 |
| 8 | $12,708 | $11,050 | $214,065 |
| 9 | $13,359 | $10,400 | $200,707 |
| 10 | $14,042 | $9,716 | $186,665 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $2,372 | $127,029 | $427,029 |
| 30 years | $1,610 | $279,767 | $579,767 |
Choosing 15 years over 30 saves about $152,739 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$1,980
Total payments
240
Total interest
$175,168
Total cost (P+I only)
$475,168
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Nearby scenarios
$275,000 · 5% · 20 yr
$1,815/mo
$325,000 · 5% · 20 yr
$2,145/mo
$250,000 · 5% · 20 yr
$1,650/mo
$350,000 · 5% · 20 yr
$2,310/mo
$300,000 · 4.5% · 20 yr
$1,898/mo
$300,000 · 5.5% · 20 yr
$2,064/mo
$300,000 · 4% · 20 yr
$1,818/mo
$300,000 · 6% · 20 yr
$2,149/mo
$300,000 · 5% · 15 yr
$2,372/mo
$300,000 · 5% · 30 yr
$1,610/mo
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Last updated: 2026