Why Retirement Calculators?
Why do you need software of any kind to figure out his (or her) retirement? Why not just divide your savings at retirement by the number of years you expect to live to determine annual retirement income? If you put your retirement funds under your mattress and do annual withdrawals then your informal model is entirely accurate. However, if you invest your retirement funds then your investment returns will give you more money to spend in retirement. But now you have to deal with taxes, rates of return, IRS regulations, to say nothing of the consequences of inflation. If you desire to maximize the amount of money available during retirement then the model becomes iterative making the use of computer software mandatory. After-tax Account tax rate When I change the After-Tax Account anticipated tax rate there seems to be no effect on the results. The Anticipated Tax Rate % applies only to the After-tax Account. It does not apply to the Tax-deferred Account, social security benefits, or pen
