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 Question Thank you! Oops! Related Content Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education. Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase? Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly.