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:
This is the number of years it will take for your money to double. For example, if your money is earning an 8 percent interest rate, youâll double your money in 9 years (72 divided by 8 equals 9). If your money is earning a 5 percent interest rate, youâll double it in 14.4 years (72 divided by 5 equals 14.4). If your money is earning a measly 1 percent interest rate, it will take you â yep, you guessed it â a whopping 72 years to double it.