The simple interest formula is Interest = P * R * T. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our ...

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.

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Checking accounts are an everyday financial tool for many people, but maintaining one can be expensive. Major banks often charge account maintenance fees that can cost you up to $35 per month. CNBC ...