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Debt Investment Calculator w/Amortization Schedule
Before you go throwing darts on Wall Street, check to make sure you can't earn a higher rate of return simply by investing in your own debt! For example, if you have a credit card balance that's costing you 19% per year, and you increase your payment, you will get a guaranteed 19% return on your investment. What's more, your earnings will be tax-free! So use this JavaScript Calculator to see how much you could be earning if you increased your payment on any one of your debts.
Enter the principal balance owed:
Enter the annual interest rate:
Enter the current monthly payment amount:
Enter a monthly amount to add to the current payment:

Current Payoff Term (Months):
Revised Payoff Term (Months):
Time Saved (Months):
Current Interest Cost:
Revised Interest Cost:
Total interest savings (Return on investment):
Guaranteed Annual Rate of Return: