Forecast The market is as unpredictable as the weather. We’d love to help you prepare. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.