Another little JavaScript calculator. Use this to compare the real after-tax interest rate of your mortgage. Then compare your after-tax yields on taxed investments and tax protected (i.e. tax-deferred 401(k),403(b),IRA accounts or tax free Roth or Education IRA accounts). See where is the best place to put your money!
Put Inputs Here
Nominal Mortgage Interest Rate
Nominal After-Tax Investment Yield Rate
Marginal Federal Tax Rate
Marginal State Tax Rate
Effective After-Tax Loan Interest Rate:
%
Effective After-Tax Investment Yield Rate:
%
Effective Tax-Protected Investment Yield Rate:
%
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