Gross profit margin
Gross profit/ sales
Operating profit margin
EBITDA / sales et EBIT / sales
Net profit margin
Net income / sales
Return on assets
Net income / total assets
Return on equity
Net income / equity
Earnings per share
(Net income - Dividends on preferred shares) / weighted average number of outstanding common shares
Diluted earnings per share
(Net income - Dividends on preferred shares) / (weighted average number of outstanding common shares + number of potential common shares)
Price-to-earnings ratio
Share price / Earnings per share