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. Related Content How to Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out.