Earnings Per Share Calculator

What are earnings per share?

Earnings per share (EPS) is the slice of a company’s quarterly or annual profit attributable to a single share of common stock. Public companies report EPS on every income statement, and analysts rebuild it constantly as new filings land. EPS is the single most-watched profitability number on Wall Street because it scales naturally across companies of any size.

Two firms with very different revenues can be compared apples-to-apples on EPS, and changes in EPS over time are a clean way to track whether the underlying business is getting more or less profitable per share.

Formula for earnings per share

EPS = (Net Income − Preferred Dividends) / Weighted-Average Shares Outstanding. Subtract preferred dividends because they are paid out of earnings before any dollar reaches common shareholders. The denominator is the weighted-average count of common shares during the period — not the spot count on the last day, which can be skewed by buybacks or issuances.

How to calculate EPS step by step

You’ll find each input directly in the company’s SEC filings. Net income sits at the bottom of the income statement; preferred dividends appear either there or on the cash-flow statement; weighted-average shares are disclosed alongside basic and diluted EPS in the EPS note.

• Net income — the company’s “bottom line” after revenue, costs, taxes, and interest.
• Preferred dividends — payments made to preferred shareholders for the period; zero for most US companies.
• Shares outstanding — weighted-average count of common shares during the period (basic for the simple formula, diluted for the conservative version).

Worked example

Suppose Company X reports $2 billion in net income for the quarter and pays $200 million in preferred dividends. With 400 million shares outstanding: ($2,000,000,000 − $200,000,000) / 400,000,000 = $4.50. EPS for the quarter is $4.50.

Basic EPS vs diluted EPS

Basic EPS uses common shares outstanding today. Diluted EPS adds in shares that could come into existence from convertible bonds, warrants, employee stock options, or restricted stock units. Diluted EPS is always lower than (or equal to) basic EPS because the denominator is larger. Most investors anchor to diluted EPS — it shows what shareholders would actually own if every potential conversion happened.

How to use EPS when investing

EPS is most useful when compared — against the same company a year ago, against direct sector peers, and against analyst estimates. Beating the EPS estimate often drives the post-earnings move; missing it usually triggers a sell-off. Combine EPS with the P/E ratio to translate per-share earnings into a valuation signal.

Limitations of EPS

EPS is easy to game. Aggressive share buybacks reduce the denominator and push EPS up even if net income stays flat. One-off items (asset sales, write-downs, tax credits) can swing reported EPS materially in a single quarter. “Adjusted EPS” — a non-GAAP figure many companies highlight — strips out items management considers non-core, but the choice of what to strip out is selective. Always read the footnotes.

Use EPS as one signal, not the whole picture

EPS is fast, comparable across companies, and tightly coupled to share-price reactions on earnings day. Use it together with revenue growth, gross margin, free cash flow, and the P/E ratio for a complete read on a stock.