The article How to Calculate a Company's Weighted Average Number of Outstanding Shares originally appeared on Fool.com. Try any of our Foolish newsletter services free for 30 days .

By calculating a company's weighted average number of outstanding shares, we can get a more accurate picture of its earnings.

In order to calculate your weighted average price per share, you can use the following formula: In words, this means that you multiply each price you paid by the number of shares you bought at ...

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.

Some companies make it trivial for you to calculate average price paid for treasury stock by having a separate line item that details the number of shares and the amount paid.

How to Calculate the Average Return for the Share of Stock in Excel Credit: Next, I need to fill in all the other cash flows I've received from my Microsoft investment.

If you want to calculate the average shareholder equity over three, four, five, or more quarters, you just need to find the shareholder equity number for each of those periods, add them all ...