Doubling Your Money This calculator demonstrates the power of compound interest. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Budgeting After a Divorce Divorce is the second most stressful time in a person's life. Here's some tips to get through it. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.