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Mortgage Payment at 5.5 Percent
This page sets the mortgage rate to 5.5 percent as a starting point. It is a preset for testing and not a quote. Replace it with the rate on your own offer.
At 5.5 percent the monthly payment on the starting loan is $1,703.37. Total interest over the term is $313,212.
How the payment is worked out
Every payment on a fixed loan is the same size. To find it, multiply $300,000 by the monthly rate of 0.4583 percent. Then divide by one minus the reciprocal of one plus that rate raised to the power of 360. That power is the number of monthly payments in 30 years.
Worked example
At 5.5 percent the monthly cost of $300,000 is $1,703.37. The first month's interest is $1,375.00.
Shift the rate to 6.5 percent and the payment is $1,896.20. Shift it to 4.5 percent and the payment is $1,520.06. Interest over the loan is $382,633 against $247,220.
Questions about this calculator
Would an extra $100 a month help at 5.5 percent?
It would end the loan 3 years 9 months sooner and save $46,342 of interest on the example loan.
How does a half point change the payment on $300,000 at 5.5 percent?
A half point higher raises the payment to $1,798.65. A half point lower reduces it to $1,610.46.
Is a lower rate than 5.5 percent always better?
Not if it comes with fees or points. A rate one point lower saves $183.31 a month here. Divide the upfront cost by that saving to see how many months it takes to break even.
How much would one point more than 5.5 percent cost each month?
Moving to 6.5 percent adds $192.84 a month and $69,421 of interest over the loan.
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This page is for education only and is not financial or tax advice.