**Compound interest** is normally known as one of the most robust concepts in the field of finance. Provided that you are craving for the financial gains, find out what compound interest is and how it can work well for you! Knowledge about such the interest will never be superfluous since it enables you to know the *interest rate* clearly for the best investments calculated more than one per year.

### Understand What Compound Interest Is

Theoretically, **Compound Interest** is an interest rate for an investment, loan, or other financial transactions that are able to be calculated many times per year.

In most cases, the compound interest is resulted with the higher-interest payment so that the investors can know that how the future value of the transaction will grow in the future. Of course, it is possible to calculate the interest by the certain**formula**. Anyway, the online **Compound Interest Calculator **makes things easier with the instant results. Needless to use the electronic calculator to calculate the amount of interest, the investors find it easy to take advantage of the Online Calculator.

The interest added to the principal of the deposit lets you earn interest. For instance, your bank account helps to bring the compound interest every year. The account within $1000 initial principle and 20% interest per year may have the final balance of $1200 at the first year’s ending. So, how about the second and the third year? With the 20% interest per year, it is calculated that you will get $1440 at the end of the second year and %1728 at the third year’s ending, and so on. In order to define the **interest rate** completely, the investors are likely to make comparison between the interest rates so that they can gain the highest rates on completion.

In general, the term “Compound Interest” is likely to linked with some other special terms namely annual equivalent rate (AER), annual percentage rate (APR), effective annual rate, effective interest rate, and many more. Please notice that the compound interest is quite different from the **simple interest** where the interest is not added to the principal! Since there is NO Compounding in the simple interest, the investors have to recognize such the differences before obtaining a loan or making an investment. Due to the matter of compounding, the compound interest tends to be used more frequently than the simple one when it comes to finance and economics as well.

### Compound Interest Calculator Online Free

Instead of using the complicated *formula *to calculate the compound interest, the so-called investors are stimulated to address various financial sites to trace the online Calculator.

The interest you earn each year that is added to the principal will be calculated easily for the personal saving plan as well as the long-term growth in stock markets. Take at ease to use the Calculator by submitting the required info regarding the current principal, annual addition, year to growth, interest rate, and times of compounding rate annually. Especially, it is also allowed you to choose to make additions at either start or end of each compounding period.

Once the input info is completed, click on the CALCULATE button to get the result instantly! Thanks to the availability of the **Online Compound Interest Calculator**, the investors can conveniently know how much their money will grow via the power of compound interest. The math can be done quickly and accurately via the automatic programs. As a result, you can learn about the compound interest without costing anything. Though it is quite interesting to **calculate Compound interest** of the favorable investment via the formula, none can replace the effectiveness of the online Compound Interest Calculator out there.

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