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 Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.