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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Avoiding Cognitive Decline Try these activities to keep your brain sharp. The Best Apps in Travel Technology tips to make your next trip even better. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.