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On July 16, the Wall Street Journal reported that the 30-year mortgage rate in the U.S. reached its lowest level ever: 2.98%. How do you know if it benefits you to take advantage of current historically low loan rates?

Use this refinance calculator.

There's more to consider when refinancing a mortgage or loan than just the interest rates. If securing a new loan requires that you pay upfront fees or points, are you going to hold the note long enough, so the new, lower payment makes up the difference in the up-front fees?

Further, if you want to calculate the actual savings, consider the loan's tax impact, if any, and the investment opportunity because of the lower payments.

This calculator accounts for all these possibilities.

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**While I know of no calculation errors, please consider the calculator and contents of this page to be a beta test release.**

**Please report any problems or leave a comment with your thoughts.**

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*Current Lender*(optional) - Name of lender for a printed report.*Current Loan Balance*- This balance is not the original loan amount. It is the current balance of the existing loan.*Periods Remaining Until Paid Off*- The number of scheduled payments remaining.*Annual Interest Rate*- Current interest rate for the loan.*Current Payment*- The calculator will calculate the loan payment for you if you uncheck the checkbox. Allow the calculator to calculate the payment if you want to reduce the term of the loan. Change the "Periods Remaining Until Paid Off" to reflect the new desired term. The calculator will calculate the adjusted payment amount (scheduled payment amount plus extra payment required) Note: do not include the escrow amount of the loan payment. Only include the principal and interest amount.*Current Payment Frequency*- The frequency at which payments are due.

*Possible Lender*(optional) - Name of the potential new lender for a printed report.*New Loan Amount*- New projected loan amount. This amount can be different than the current loan balance.*Number of Payments Due*- The term for the new loan.*Anticipated Annual Interest Rate*- New interest rate.*New Payment Amount*- If you uncheck the checkbox, the calculator will calculate the new payment amount. If you prefer entering a payment amount, you may do so by checking the option. After you review the "Results," you may click back to the financing tabs, and you'll be able to see the payment amount the calculator used if you had the calculator calculate the amount.*Expected Payment Frequency*- The payment frequency for the potential loan.*Loan Origination Points*- If the new loan is a U.S. mortgage, the lender may require that you pay "point" to receive the lowest possible interest rate. If so, enter those points here.*Miscellaneous Closing Costs*- Some loans, typically mortgages, have additional fees and closing costs. Enter those costs here.*Prepayment Penalty for Current Loan*- If the CURRENT loan has a prepayment clause that requires you to pay a fee if you pay the loan off early, enter the fee here. Even though the prepayment penalty is associated with the current loan, it's a cost you have to pay to obtain the new financing.

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*Asset Being Financed*(optional) - For printed report.*Property Sold After*- The remaining number of payments or the new loan may be for 15, 20, or even 30 years. However, if you plan to pay off the loan (because you will sell the asset), enter the number of years. The calculator uses the sold after to calculate costs and interest paid.*Interest and Points Are*(optional) - Determines the tax impact of interest and points.*Maximum Interest Deduction*- The "Tax Cuts and Jobs Act of 2017" in the U.S. limits the amount of mortgage interest (and property tax) the mortgage holder can deduct from income taxes. Enter the limit here if applicable.*Projected Tax Bracket*(optional) - If you want to know the after-tax impact of refinancing, enter your marginal tax rate.

*Inflation Rate*(optional) - If you want to know the inflation-adjusted impact of refinancing, enter your assumed inflation rate here. If the proposed new financing saves you $100 ever month, the savings, adjusted for inflation will be less. Why? Saving $100 the last month of a loan is not as valuable to you as saving $100 today.*Investment Rate*(optional) - If the payment for the proposed financing is less than the current financing, you can invest the difference. Enter your investment rate-of-return here.*If possible financing is greater, invest the difference*(optional) - If the proposed financing is greater than the debt being retired, what are you going to do with the difference? If you are going to invest the difference, answer "Yes."