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 What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit.