Definitions for compound interest
This page provides all possible meanings and translations of the word compound interest
Random House Webster's College Dictionary
interest paid on both the principal and on accrued interest.
Origin of compound interest:
interest calculated on both the principal and the accrued interest
Interest, as on a loan or a bank account, that is calculated on the total on the principal plus accumulated unpaid interest.
Compound interest arises when interest is added to the principal, so that, from that moment on, the interest that has been added also earns interest. This addition of interest to the principal is called compounding. A bank account, for example, may have its interest compounded every year: in this case, an account with $1000 initial principal and 20% interest per year would have a balance of $1200 at the end of the first year, $1440 at the end of the second year, and so on. In order to define an interest rate fully, and enable one to compare it with other interest rates, the interest rate and the compounding frequency must be disclosed. Since most people prefer to think of rates as a yearly percentage, many governments require financial institutions to disclose the equivalent yearly compounded interest rate on deposits or advances. For instance, the yearly rate for a loan with 1% interest per month is approximately 12.68% per annum. This equivalent yearly rate may be referred to as annual percentage rate, annual equivalent rate, effective interest rate, effective annual rate, and by other terms. When a fee is charged up front to obtain a loan, APR usually counts that cost as well as the compound interest in converting to the equivalent rate. These government requirements assist consumers to compare the actual costs of borrowing more easily.
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"compound interest." Definitions.net. STANDS4 LLC, 2014. Web. 20 Dec. 2014. <http://www.definitions.net/definition/compound interest>.