$600,000 Mortgage at 5.5% for 20 Years
A $600,000 mortgage at 5.5% over 20 years has a monthly principal + interest payment of $4,127. You'll pay $390,558 in total interest, bringing total loan cost to $990,558.
Estimated monthly payment
$5,002
Principal + interest
$4,127
Property tax
$750
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$5,002
1st month interest
$2,750
1st month principal
$1,377
Total interest
$390,558
Balance after 1 year
$583,049
Balance after 5 years
$505,129
Total cost (P+I)
$990,558
Amortization (first 10 years)
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $16,951 | $32,577 | $583,049 |
| 2 | $17,907 | $31,621 | $565,142 |
| 3 | $18,917 | $30,611 | $546,225 |
| 4 | $19,984 | $29,544 | $526,240 |
| 5 | $21,112 | $28,416 | $505,129 |
| 6 | $22,302 | $27,225 | $482,826 |
| 7 | $23,560 | $25,967 | $459,266 |
| 8 | $24,889 | $24,638 | $434,376 |
| 9 | $26,293 | $23,234 | $408,083 |
| 10 | $27,777 | $21,751 | $380,306 |
15-year vs 30-year
| Term | Monthly P+I | Total interest | Total cost |
|---|---|---|---|
| 15 years | $4,903 | $282,450 | $882,450 |
| 30 years | $3,407 | $626,424 | $1,226,424 |
Choosing 15 years over 30 saves about $343,974 in interest at this rate and loan amount.
Extra payments
Payment breakdown
Monthly P+I
$4,127
Total payments
240
Total interest
$390,558
Total cost (P+I only)
$990,558
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$550,000 · 5.5% · 20 yr
$3,783/mo
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$4,471/mo
$500,000 · 5.5% · 20 yr
$3,439/mo
$700,000 · 5.5% · 20 yr
$4,815/mo
$600,000 · 5% · 20 yr
$3,960/mo
$600,000 · 6% · 20 yr
$4,299/mo
$600,000 · 4.5% · 20 yr
$3,796/mo
$600,000 · 6.5% · 20 yr
$4,473/mo
$600,000 · 5.5% · 15 yr
$4,903/mo
$600,000 · 5.5% · 30 yr
$3,407/mo
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Last updated: 2026