Reviewed by Erika Rasure Fact checked by Suzanne Kvilhaug What Is Interest on Interest? Interest on interest—also referred to ...

Compound interest is interest that's calculated on both the initial principal of a deposit or loan and on all accumulated interest. It's a tremendous advantage for savers and investors but not so much ...

See how your savings and investment account balances can grow with the magic of compound interest. Many, or all, of the products featured on this page are from our advertising partners who compensate ...