Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Teaching Teens Financial Responsibility Encourage the teenager in your life to become more financially independent by introducing these basic money concepts. A Primer on Irrevocable Life Insurance Trusts Irrevocable life insurance trusts can be important tools that may accomplish a number of estate objectives. When Do You Need a Will? When do you need a will? The answer is easy: Right Now.