Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates.

How to Calculate Weighted Average Using Excel To calculate this weighted average, first input the two values for the number of shares outstanding into adjacent cells.

Historical volatility is a long-term assessment of risk. Discover why it is important to investors and learn how to calculate volatility in Excel.

Scientific and mathematical formulas frequently use exponents and square roots, and you can create a function to compute the square, cube, or square root of a value by using the formula creator.