How to calculate rate of interest on investment
Use our GIC comparison tool to compare GICs by province, term, and investment amount to see which GIC gets your the highest return. GIC Calculator. Why invest The rate of interest on an investment is also known as the yield. Here’s how you calculate your total return: Or, to apply it to the example. Factoring in appreciation, dividends, interest, and so on helps you calculate what your total return is. The total return figure tells you the grand total of what you made (or lost) on your investment. Assume you want to calculate the compound interest on a $1 million deposit. However, this particular deposit is compounded monthly. The annual interest rate is 5%, and the interest accrues at a compounding rate for five years. To calculate the monthly interest, simply divide the annual interest rate by 12 months.