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Financial Planning -> Save Money -> Pay down your debt!

Pay Down Non-Tax-Deductible Debt as Quickly as Possible

You should at least pay down your non-tax-deductible debt with an interest rate greater than 8% as quickly as possible.  After that, you may want to start investing, or you could completely pay off your non-tax-deductible debt first, if it will help you sleep better at night.

Try our Loan and Mortgage Calculator, to see how much interest you can save by paying down your debt more quickly!

We will assume:

bulletYou have a $100,000 mortgage.
bulletThe interest is not tax deductible.
bulletYour interest rate is 7.5%.

Your monthly payment amount and the total interest paid will vary greatly depending on how long you take to pay off your mortgage.

The following table shows that you can save almost $80,000 by paying off a $100,000 mortgage over 10 years instead of 25 years:

Mortgage Term
Monthly Mortgage Payment
@7.5% Interest
Total Mortgage
Interest Paid
Amount Saved Using
Shorter Term
25 $   739 $ 221,697 $ 121,697 $         0
20 $   806 $ 193,342 $  93,342 $ 28,355
15 $   927 $ 166,862 $  66,862 $ 54,835
10 $ 1,187 $ 142,442 $  42,442 $ 79,255 Resources

Present and Future Value Calculator - use your own numbers to do these calculations.

Historical Investment Returns on Stocks, Bonds, and T-Bills

How Much Will You Have if You Save $1 Per Day?

How Much Must be Invested Today to Have $1 Million in the Future?

Check out all of our ideas for saving money and building wealth!

Tax tip:  Pay down all non-tax-deductible debt with over 8% interest, then see our Save and Invest page.

Revised: October 26, 2023


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