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Taxed vs Non-Taxed Return Calculator

Taxes can have a big effect on the amount of money that accumulates in an account, especially when money is left in an account for a long period of time. In a tax-sheltered account (for example, an IRA account), you do not have to pay taxes on interest until you actually withdraw the interest from the account. Therefore you can earn interest on all of the interest you earn. In a normal account (a savings account, CD, etc.) you pay taxes on the interest each year. Therefore you earn less.

This calculator demonstrates the advantages of Annuities, 401k's, TSA's, 457 plans, IRA's.

This calculator shows you how much money you can make by leaving a sum of money in an account at a certain interest rate. It helps you to understand the difference that tax-sheltered compounding can make, and in addition shows you the effect of inflation. Enter the amount of money that you wish to deposit initially, the expected interest rate, and the expected inflation rate. The calculator will show you the amount that will accumulate in the account over different time spans both with and without taxes. It will also show you how much money that initial amount will buy in the future because of inflation. That way you can see if an investment actually grows (beats inflation).

Amount to deposit - Enter the amount of money that you will initially deposit in the account
Interest rate - Enter the interest rate. If you wish to use a 3.0% interest rate, enter 3.0. As of January 2002, here are some typical rates: passbook savings account: 1.0%; one year CD: 2.75%; stock market average return: 10.5%.
Federal and state tax rate - Enter the sum of your federal and state tax rates. For example, if you are in the 27.5% federal tax bracket and you state has a 4.2% income tax rate, enter 31.70 here. If you have no idea, use 32.
Inflation rate - Enter the expected inflation rate over the period of time. If you have no idea, try 4% (enter 4).
Click this button to calculate the account value.
Year Value with tax-free compounding Value with taxed compounding Inflation
1 year value - This is the total value of your account at the end of 1 year.
2 year value - This is the total value of your account at the end of 2 years.
3 year value - And so on...
4 year value
5 year value
10 year value
15 year value
20 year value
30 year value
40 year value

It is particularly interesting to note the massive difference between the taxed and non-taxed numbers after 20 or 30 years. There are several ways to save money that make use of completely tax free compounding:

  1. in a 401(k) account
  2. in an IRA account
  3. by purchasing individual growth stocks that do not pay dividends or that reinvest dividends
  4. by using certain types of annuities or life insurance

The inflation column shows you the effect of inflation on your initial deposit. For example, if you deposit $1,000 in an account and the inflation rate is 4%, then the value in the inflation column will be $1,040 after one year. This means that in one year it will take $1,040 to buy what costs you $1,000 to buy today. If your investments do not at least exceed the rate of inflation, you are losing money. If you look at the account value and it is less than the value in the inflation column over time, then your investment is actually losing money. Taxes often have that effect on lower-performing investments like savings accounts and CDs.

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We do not offer legal advice. All information provided on this website is for informational purposes only and is not a substitute for proper legal advice. If you have legal questions, we recommend that you seek the advice of legal professionals.

Tax Disclaimer: To ensure compliance with IRS Rules, any U.S. federal tax advice provided in this communication is not intended or written to be used, and it cannot be used by the recipient or any other taxpayer (i) for the purpose of avoiding tax penalties that may be imposed on the recipient or any other taxpayer under the Internal Revenue Code, or (ii) in promoting, marketing or recommending to another party a partnership or other entity, investment plan, arrangement or other transaction addressed herein.

Copyright 2017 Wink Tax Services / Wink Inc.
Last modified: January 30, 2017