Start by telling us why you're calling. 1  Here are some very popular reasons why other people call this Garmin number. 2  We have a few other tricks to try if you're calling Garmin, and if you are already viewing this on a phone or call-capable device, then you can click or tap below to just start a call.
Suppose you invest $100 at a compound interest rate of 10%. The rule of 72 tells you that your money will double every seven years, approximately: If you graph these points, you start to see the familiar compound interest curve:
Well, the Rule of 72 is a shortcut that helps you figure out how long it will take your investments to double. If you divide your expected annual rate of return into 72, you can find out how many years it will take you to double your money. Letâs say, for example, that you expect to get returns of 9% a year. Divide 9 into 72 and you discover the number of years it takes you to double your money, which is eight years.