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$100,000 mortgage at 8% for 20 years
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$836.44/mo
Principal & interest · total interest $100,746 · total paid $200,746
Estimated full monthly cost
| Principal & interest | $836.44 |
| Property tax (1.1% of a $125,000 home) | $114.58 |
| Home insurance (0.35%/yr) | $36.46 |
| Total (PITI, 20% down) | $987.48 |
Income needed at the 28% rule: about $42,321/year. Tax and insurance vary widely by location – use the mortgage calculator with your own figures.
Pay it off faster
- +$70/month (13 payments a year): paid off in 16 y 9 m, interest saved $19,266
- +$100/month: paid off in 15 y 8 m, interest saved $25,353
Same loan, other rates
Same rate, other terms
Amortization schedule
| Year | Principal | Interest | Total interest | Balance |
|---|---|---|---|---|
| 1 | $2,114 | $7,924 | $7,924 | $97,886 |
| 2 | $2,289 | $7,748 | $15,672 | $95,597 |
| 3 | $2,479 | $7,558 | $23,230 | $93,118 |
| 4 | $2,685 | $7,352 | $30,582 | $90,433 |
| 5 | $2,908 | $7,130 | $37,712 | $87,526 |
| 6 | $3,149 | $6,888 | $44,600 | $84,377 |
| 7 | $3,410 | $6,627 | $51,227 | $80,966 |
| 8 | $3,693 | $6,344 | $57,571 | $77,273 |
| 9 | $4,000 | $6,037 | $63,608 | $73,273 |
| 10 | $4,332 | $5,705 | $69,313 | $68,941 |
| 11 | $4,692 | $5,346 | $74,659 | $64,249 |
| 12 | $5,081 | $4,956 | $79,615 | $59,168 |
| 13 | $5,503 | $4,535 | $84,150 | $53,665 |
| 14 | $5,959 | $4,078 | $88,228 | $47,706 |
| 15 | $6,454 | $3,583 | $91,811 | $41,252 |
| 16 | $6,990 | $3,048 | $94,859 | $34,262 |
| 17 | $7,570 | $2,467 | $97,326 | $26,692 |
| 18 | $8,198 | $1,839 | $99,165 | $18,494 |
| 19 | $8,879 | $1,159 | $100,324 | $9,616 |
| 20 | $9,616 | $422 | $100,746 | $0 |
FAQ
What is the payment on a $100,000 mortgage at 8% for 20 years?
$836.44 per month for principal and interest; total interest over 20 years is $100,746.
What income do I need for a $100,000 mortgage at 8%?
Using the 28% front-end rule and estimated taxes and insurance (total housing cost about $987/month), a gross income of roughly $42,321 a year.
How much do extra payments save on a $100,000 loan at 8%?
Paying an extra $70 a month (one extra payment a year) clears it in 16 years 9 months and saves about $19,266 in interest. An extra $100 a month saves about $25,353.
Compare all rates for $100,000 over 20 years · Extra payment calculator
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