How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Related Content Saving for College 101 Here’s a crash course on saving for college. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands. Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle.