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Earnings per Share | 12 Months Ended
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Dec. 31, 2020
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Earnings per Share |
30. | Earnings per Share
Basic earnings per share is calculated by dividing the profit from operations attributable to equity holders of the Group by the weighted average number of ordinary shares outstanding during the period, excluding ordinary shares purchased by the Group and held as treasury stock. Basic earnings per share from operations for the years ended December 31, 2018, 2019 and 2020, is calculated as follows:
|  | 2018 |  |  | 2019 |  |  | 2020 |
Profit attributable to ordinary shares (In millions of Korean won) |  | ￦ | 645,571 |  |  | ￦ | 645,703 |  |  | ￦ | 700,889 |
Weighted average number of ordinary shares outstanding (In number of shares) |  |  | 245,049,466 |  |  |  | 245,171,283 |  |  |  | 245,207,307 |
Basic earnings per share (In Korean won) |  |  | 2,634 |  |  |  | 2,634 |  |  |  | 2,858 |
Diluted earnings per share from operations is calculated by adjusting the weighted average number of ordinary shares outstanding to assume conversion of all dilutive potential ordinary shares. The Controlling Company has dilutive potential ordinary shares from convertible preferred stocks, stock options and other share-based payments. Diluted earnings per share from operations for the years ended December 31, 2018, 2019 and 2020 is calculated as follows:
|  | 2018 |  |  | 2019 |  |  | 2020 |
Profit attributable to ordinary shares (In millions of Korean won) |  | ￦ | 645,571 |  |  | ￦ | 645,703 |  |  | ￦ | 700,889 |
Adjustment to net income attributable to ordinary shares (In millions of Korean won) |  |  | — |  |  |  | (157 | ) |  |  | — |
Diluted profit attributable to ordinary shares (In millions of Korean won) |  |  | 645,571 |  |  |  | 645,546 |  |  |  | 700,889 |
Number of dilutive potential ordinary shares outstanding (In number of shares) |  |  | 1,163 |  |  |  | 70,267 |  |  |  | 69,598 |
Weighted average number of ordinary shares outstanding (In number of shares) |  |  | 245,050,629 |  |  |  | 245,241,550 |  |  |  | 245,276,905 |
Diluted earnings per share (In Korean won) |  |  | 2,634 |  |  |  | 2,632 |  |  |  | 2,858 |
Diluted earnings per share is earnings per outstanding of ordinary shares and dilutive potential ordinary shares. Diluted earnings per share is calculated by dividing adjusted profit for the year by the sum of the number of ordinary shares and dilutive potential ordinary shares.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI -URIDate 2020-01-01 + Details
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