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 Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. When Markets React When markets shift, experienced investors stick to their strategy.