Weighted Average Shares Outstanding Calculator


The Weighted Average Shares Outstanding Calculator is a crucial tool for financial analysts and investors to determine the average number of shares issued by a company over a specific period. This calculation is vital for various financial ratios and performance measures.


The weighted average shares outstanding are computed by taking the average of the beginning and ending shares and then multiplying it by the time period, typically in months, divided by 12 (to convert it into years).

How to Use

  1. Input the number of beginning shares outstanding.
  2. Enter the number of ending shares outstanding.
  3. Specify the time period for which you want to compute the weighted average shares (in months).
  4. Click on the “Calculate” button to obtain the weighted average shares outstanding.


For instance, if a company had 10,000 shares at the beginning of the year and 12,000 shares at the end of the year, and the time period is 6 months, the calculator would determine the weighted average shares outstanding.


  1. Why is the weighted average shares outstanding important?
    • It is essential for calculating earnings per share (EPS) and other financial metrics.
  2. Can this calculator handle shares with decimal values?
    • Yes, it accommodates fractional shares in the calculations.
  3. What if I input zero in beginning or ending shares?
    • The calculator considers the absolute values to compute the result accurately.
  4. Is the ‘+2’ necessary in the formula?
    • It helps in taking the average and then adjusting for the time period.
  5. Does this calculator consider stock splits or dividends?
    • No, it focuses solely on the number of shares outstanding over the specified period.
  6. Can I input years instead of months for the time period?
    • The calculator needs time in months for accurate results.


The Weighted Average Shares Outstanding Calculator is an indispensable tool for financial analysis, aiding in evaluating a company’s financial health and performance. Understanding the weighted average shares outstanding is crucial for investors and analysts to make informed decisions based on accurate financial ratios and metrics.

This calculator simplifies the computation of the weighted average shares outstanding, providing a clear picture of a company’s shares issued over a specific time frame, thereby assisting in financial assessments and investment analyses.

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