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Listerhill Credit Union is a nonprofit financial cooperative improving lives in our community.

If you live in Alabama, Georgia, Mississippi, Florida, or Tennessee, you are eligible to become a member. Depending on your individual eligibility, we may require membership into an approved association at no cost to you.

You can also qualify for membership by being a family member of a current or potential Listerhill member.

With only $5, you can join Listerhill today and start taking advantage of a lifetime membership.

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Rule of 72 Calculator by Interest Rate

How It Works

The Rule of 72 predicts how long an investment will take to double based on a fixed annual interest rate. The rule is this: 72 divided by the interest rate number equals the number of years for the investment to double in size.

For example, if the interest rate is 12%, you would divide 72 by 12 to get 6. This means that the investment will take about 6 years to double with a 12% fixed annual interest rate. 

Enter a fixed annual interest rate into the calculator to see how long it will take for the investment to double in size.

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Frequently Asked Questions

  • Will this upgrade affect my Online or Mobile Banking?

    Not at all. Those services remain unchanged.

  • What if I forget my code?

    We can verify your identity and easily reset it for you.

  • Will I still be able to speak with a representative?

    Absolutely. Our Support team are still available just as before - the new system simply connects you to them more quickly and securely.

  • How do I set up my code?

    Our Support team can help you set it up during your first call to the new system, OR you can call Automated Access at 256-381-5555 to set it up anytime.

  • What is an Automated Access Code?

    A four-digit code that verifies your identity when you call. It also lets you use our Automated Access service 24/7, 365 days a year.