Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. 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 Strategies for Managing Student Loan Debt Five strategies for managing your student debt. Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.