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$100,000 mortgage at 8% for 20 years
Fixed-rate amortized payment. Results below are exact for the given inputs.
$836.44
monthly payment
Total interest$100,745.62
Total paid$200,745.62
Interest share50.2%
Payments240
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $169.77 | $666.67 | $99,830.23 |
| 2 | $170.91 | $665.53 | $99,659.32 |
| 3 | $172.04 | $664.40 | $99,487.28 |
| 4 | $173.19 | $663.25 | $99,314.09 |
| 5 | $174.35 | $662.09 | $99,139.74 |
| 6 | $175.51 | $660.93 | $98,964.23 |
| 7 | $176.68 | $659.76 | $98,787.55 |
| 8 | $177.86 | $658.58 | $98,609.70 |
| 9 | $179.04 | $657.40 | $98,430.65 |
| 10 | $180.24 | $656.20 | $98,250.42 |
| 11 | $181.44 | $655.00 | $98,068.98 |
| 12 | $182.65 | $653.79 | $97,886.33 |
Frequently asked questions
What is the monthly payment on $100,000 mortgage at 8% for 20 years?
The fixed monthly payment is $836.44 (240 payments), assuming standard amortization with no fees, taxes or insurance.
How much interest do I pay in total?
Total interest over 20 years is $100,745.62, so the total of all payments is $200,745.62.
What income is needed for this payment?
Using the common 28% front-end debt-to-income guideline, a gross monthly income of about $2,987 ($35,847 per year) keeps this payment within budget. Lenders may apply different rules.
How much of the first payment is interest?
The first payment includes $666.67 of interest and $169.77 of principal — early payments are interest-heavy because the balance is highest.
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Change the numbers yourself
Open the interactive mortgage calculator — every field is editable.