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$300,000 mortgage at 3% for 20 years
Fixed-rate amortized payment. Results below are exact for the given inputs.
$1,663.79
monthly payment
Total interest$99,310.27
Total paid$399,310.27
Interest share24.9%
Payments240
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $913.79 | $750.00 | $299,086.21 |
| 2 | $916.08 | $747.72 | $298,170.13 |
| 3 | $918.37 | $745.43 | $297,251.76 |
| 4 | $920.66 | $743.13 | $296,331.10 |
| 5 | $922.97 | $740.83 | $295,408.13 |
| 6 | $925.27 | $738.52 | $294,482.86 |
| 7 | $927.59 | $736.21 | $293,555.28 |
| 8 | $929.90 | $733.89 | $292,625.37 |
| 9 | $932.23 | $731.56 | $291,693.14 |
| 10 | $934.56 | $729.23 | $290,758.58 |
| 11 | $936.90 | $726.90 | $289,821.69 |
| 12 | $939.24 | $724.55 | $288,882.45 |
Frequently asked questions
What is the monthly payment on $300,000 mortgage at 3% for 20 years?
The fixed monthly payment is $1,663.79 (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 $99,310.27, so the total of all payments is $399,310.27.
What income is needed for this payment?
Using the common 28% front-end debt-to-income guideline, a gross monthly income of about $5,942 ($71,305 per year) keeps this payment within budget. Lenders may apply different rules.
How much of the first payment is interest?
The first payment includes $750.00 of interest and $913.79 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.