Earnings per share (EPS)
Earnings per share (EPS) shows how much profit a company makes for each ordinary share. Here’s how to work it out.
Published Wednesday 30 September 2026
Table of contents
Key takeaways
- Earnings per share (EPS) shows how much profit a company makes for each ordinary share, giving you a quick read on profitability
- You calculate EPS by taking preference dividends away from net income, then dividing by the weighted average ordinary shares outstanding
- Companies with publicly traded shares in Ireland report basic and diluted EPS, while most private small businesses aren’t required to
- EPS tells you most when you track it over several years and compare it with share price through the price-to-earnings (P/E) ratio
What is earnings per share?
Earnings per share (EPS) is the profit a company earns for each of its ordinary shares. It’s one of the most widely used measures of how profitable a company is.
Listed companies show EPS at the foot of the income statement, also called the statement of profit or loss, in their published financial statements. Investors use it to compare how well different companies turn revenue into profit for shareholders.
Think of a company’s yearly profit as a pie cut into one slice per share. EPS tells you the size of each slice. It grows as profit rises and gets thinner when more shares are issued.
As a small business owner, you’ll find EPS useful when you’re weighing up an investment in a listed company. The same idea also helps you think about how profit splits among your own shareholders.
How to calculate earnings per share
You can calculate EPS with figures from a company’s statement of profit or loss and its share register. The formula comes first, followed by the steps for the trickiest part: the weighted average share count.
EPS formula
The standard EPS formula, as set out by Corporate Finance Institute, divides profit for ordinary shareholders by the average number of ordinary shares in issue.
EPS = (Net income − preference dividends) / weighted average ordinary shares outstanding
Follow these steps to apply it:
- Find net income on the statement of profit or loss, which is the profit left after all expenses, interest and tax
- Subtract any preference dividends, because preference shareholders are paid before ordinary shareholders
- Work out the weighted average number of ordinary shares outstanding for the period
- Divide the figure from step 2 by the figure from step 3 to get EPS in euro per share
Start from net income, the bottom line, rather than gross profit, which only deducts cost of sales from revenue.
How to work out weighted average shares
A company’s share count often changes during the year as it issues new shares or buys some back. A weighted average reflects how long each block of shares was outstanding, so EPS matches the period that earned the profit.
- Start with the number of ordinary shares in issue at the beginning of the period
- List each date when shares were issued or bought back during the period
- Multiply each change by the fraction of the period it was outstanding, for example, 6/12 for shares issued halfway through the year
- Add the weighted issues to the opening shares and subtract any weighted buybacks
Say a company starts the year with 440,000 ordinary shares and issues 120,000 more on 1 July. The weighted average is 440,000 + (120,000 × 6/12) = 500,000 shares.
Example EPS calculation
Now say the same company reports net income of €2,000,000 for the year and pays €200,000 in preference dividends. With 500,000 weighted average ordinary shares, the calculation is:
EPS = (€2,000,000 − €200,000) / 500,000 = €3.60
The company earned €3.60 for every ordinary share. You can set this against another company in the same sector to see which one generates more profit per share.
Basic EPS vs diluted EPS
Companies report two versions of EPS: basic and diluted. Basic EPS uses only the ordinary shares outstanding, while diluted EPS assumes every potential share has been created.
Potential shares come from instruments that can turn into ordinary shares, such as share options, warrants and convertible loan notes. Including them gives a cautious view of what each existing share would earn if they all converted.
Diluted EPS matters to investors because it shows how far their slice of profit could shrink if more shares are issued. Potential shares that would increase EPS, known as antidilutive shares, are left out, so diluted EPS is always equal to or lower than basic EPS.
Types of EPS
Beyond basic and diluted, you’ll see other EPS measures in company results and analyst commentary. Each one adjusts either the earnings figure or the time period it covers.
Adjusted EPS
Adjusted EPS removes one-off items that don’t reflect a company’s day-to-day trading, such as restructuring costs or a gain from selling a division. It gives you a cleaner view of whether the core business is becoming more profitable.
Companies choose their own adjustments, so check how the adjusted figure reconciles to the reported one in the annual report.
Trailing EPS vs forward EPS
Trailing EPS uses actual earnings from the most recent 12 months, so it’s based on confirmed results. Forward EPS uses analyst or company forecasts for the next 12 months.
Forward EPS shows you what the market expects, and it moves as forecasts are revised. Looking at both lets you compare recent performance with expected growth.
EPS reporting rules in Ireland
In Ireland, EPS reporting follows International Accounting Standard (IAS) 33. The standard, IAS 33 Earnings per Share, sets out how companies calculate and present the figure. Under IAS 33, companies:
- apply the standard if their ordinary shares are publicly traded or they’re in the process of listing
- present basic and diluted EPS in the statement of profit or loss
- leave out potential shares that would increase EPS when working out diluted EPS
- show EPS for each class of ordinary shares with a different right to share in profit
Most private small businesses aren’t required to calculate EPS, because FRS 102 only asks certain entities, such as those with publicly traded shares, to apply IAS 33. The same profit-per-owner thinking still applies. If your company makes €90,000 profit after tax and has 100 ordinary shares, each share earned €900.
How EPS is used
EPS becomes useful once you compare it with something else, such as another company’s figure or the current share price. Here’s how investors put it to work.
Comparing EPS across companies in the same industry shows which one earns more per share. It’s one input among several when you value a company, since EPS alone says nothing about debt or cash.
EPS is also the key input in the price-to-earnings (P/E) ratio. The formula is P/E = share price ÷ EPS, and it tells you how many euro investors pay for each euro of annual earnings.
For example, if a company’s share price is €54 and its EPS is €3.60, its P/E ratio is 15. Investors are paying €15 for every €1 of earnings.
Tracking EPS over several years also helps with measuring profitability over time. Steady growth suggests the business is earning more per share, while a fall is a prompt to look at what’s changed.
EPS and dividends
EPS and dividends are closely linked, because a company pays dividends out of its profits. EPS shows how much room it has to reward ordinary shareholders.
The dividend payout ratio measures this directly: divide the annual dividend per share by EPS. If a company earns €4.00 per share and pays a €1.00 dividend, its payout ratio is 25%.
A low payout ratio means the company keeps most of its earnings, which builds shareholders’ equity and funds growth. A high ratio puts more cash in shareholders’ hands but leaves less to reinvest. Compare payout ratios with EPS trends to judge whether dividends are sustainable.
What is a good EPS?
There’s no single figure that counts as a good EPS, because the number depends on each company’s share count and sector. Context tells you more than the figure itself.
Start by comparing EPS with companies in the same industry, since margins and capital structures vary between sectors. Then look at the trend. A company with a lower but steadily rising EPS may be a stronger prospect than one with a high, flat figure.
Negative EPS is common in early-stage growth companies that reinvest heavily before they turn a profit. For these businesses, read EPS alongside revenue growth and other profitability ratios to judge whether losses are narrowing.
Limitations of EPS
EPS is a handy headline figure, but it leaves out several things you need to judge a company. On its own, EPS:
- ignores capital structure, so two companies with the same EPS can carry very different levels of debt
- hides how efficiently a company uses its assets to produce earnings
- rises after share buybacks, even when net income stays flat, because the same profit is split across fewer shares
- varies with accounting choices such as depreciation methods and revenue recognition, which makes comparisons less reliable
- says nothing about share price, so a high EPS alone won’t tell you whether the shares are good value
To compare companies with different debt levels, look at net operating profit after tax, which measures profit before financing costs.
Track your profitability with Xero
EPS shows how much profit each share earns, and the same thinking helps you understand your own business. Up-to-date numbers make it easier to decide what to reinvest and what to pay out.
Xero brings your accounting data into easy-to-read financial reports, so you can check your profit and loss in real time. See how it works for your business when you get one month free.
FAQs on earnings per share
Here are quick answers to common questions about earnings per share.
What is a good P/E ratio?
There’s no universal good P/E ratio, because investors pay more for companies they expect to grow faster. Compare a company’s P/E with close peers in its sector and with its own history.
Where can you find a company’s EPS?
Listed companies show basic and diluted EPS at the foot of the statement of profit or loss in their annual and interim reports. You’ll also find it in the results announcements on a company’s investor relations web page.
Do small private companies need to report EPS?
Usually not. A private company only has to report EPS if it’s in the process of listing its shares. A private company that discloses EPS voluntarily must follow the IAS 33 calculation rules.
Can EPS be negative?
Yes, EPS is negative when a company makes a loss, and it’s often reported as a loss per share. A P/E ratio isn’t meaningful when EPS is negative, so investors tend to look at revenue growth or cash flow instead.
How does EPS affect share price?
Share prices often move when reported EPS beats or misses analyst forecasts, because the price reflects expected future earnings. Over time, rising EPS can support a higher share price, though interest rates and market sentiment also play a part.
Related terms
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Disclaimer
This glossary is for small business owners. The definitions are written with their requirements in mind. More detailed definitions can be found in accounting textbooks or from an accounting professional. Xero does not provide accounting, tax, business or legal advice.