The US Savings Bond Calculator uses the Rule of 72 to find the time that it takes to double your investment. A very handy calculator indeed when doing your financial planning.
Now you can be updated right on your computer on any changes made at savings-calculator.org. Stay up-to-date on what is happening with Savings Calculator. This simple desktop application will alert you whenever there are new articles added to the website. It's easy to install and easy to use!