When you choose to make the investment on compound interest, you can also choose how often this interest is compounded. Here are the various ways of compounding interest-Annually- The compound interest is calculated once a yearHalf-Yearly- Interest is determined twice a yearQuarterly- It follows the quarterly compound interest formula, and the interest is calculated every three monthsMonthly- The interest is calculated and reinvested every month by using the monthly compound interest formulaDaily- Interest is calculated using a daily compound interest calculator and reinvested every dayYou can use Tata Capital's compound return calculator to calculate compound interest online.