Thus Amount A. R rate of interest. A P 1 r4 1004n A P 1 r 4 100 4 n While calculating the compound interest the rate of interest and each time period must be of the same duration.
1 If the interest is added to the principal every six months then it is said to be compounded half-yearly or semi-annually or twice a year.
Where the amount is given by. The Formula to Calculate the Compound Interest when Interest Rate is Compounded Half Yearly is given by Let Principal P Rate of Interest r2 time 2n Amount A Compound Interest CI then A P 1r2100 2n In the Case of the Half-Yearly Compounding Rate Interest is divided by 2 and the number of years is multiplied by 2. How much will Rs 256 amount to in one year at per annum when the interest is compounded half-yearly. The compound interest formula is A P1rn to the power of nt Compounding Interest Pros and Cons.