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 Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article. Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.