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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 Years

How It Works

The Rule of 72 is a way to estimate how long it will take for an investment to double at a given interest rate, assuming a fixed annual rate of interest.

You simply take 72 and divide it by the interest rate number. So, if the interest rate is 6%, you would divide 72 by 6 to get 12. This means that the investment will take about 12 years to double with a 6% fixed annual interest rate.

This calculator flips the 72 rule and shows what interest rate you would need to double your investment in a set number of years. Enter the number of years you'd like an investment to double and see what the interest rate would be to make it happen.

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Frequently Asked Questions

  • Will this upgrade affect my Online or Mobile Banking?

    Not at all. Those services remain unchanged.

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