The current ratio is calculated as follows:

1. The current ratio is an important indicator to measure the short-term solvency of enterprises, which reflects the ratio relationship between current assets and current liabilities of enterprises. The calculation formula of current ratio is: current ratio = current assets/current liabilities.

2. Current assets refer to assets that an enterprise can realize or use within one year or a business cycle exceeding one year, including cash and cash equivalents, inventories, prepayments, receivables, etc. Current liabilities refer to the debts that an enterprise will need to repay within one year or a business cycle exceeding one year, including short-term loans, accounts payable, notes payable, advance receipts, etc.

The characteristics of the current ratio are as follows:

1. Measuring the short-term solvency: The current ratio is an important indicator to evaluate the short-term solvency of enterprises, which reflects the ratio relationship between the current assets and current liabilities of enterprises. The higher the current ratio, the stronger the short-term solvency of the enterprise, and vice versa.

2. Proportional relationship between current assets and current liabilities: the current ratio depends on the proportional relationship between current assets and current liabilities. If the current ratio is greater than 1, it means that the current assets of the enterprise are greater than the current liabilities, and the short-term solvency of the enterprise is strong; If the current ratio is less than 1, it means that the current assets of the enterprise are less than the current liabilities, and the short-term solvency of the enterprise is weak.

3. Industry differences: The turnover ratio of enterprises in different industries is different. For example, some industries that need a lot of cash inflows, such as retail and catering, may have higher liquidity ratios; However, some industries that need a lot of fixed assets investment, such as manufacturing and construction, may have a low liquidity ratio.

4. Seasonal fluctuation: The turnover ratio of an enterprise may be affected by seasonal factors. For example, in the peak sales season, the current assets of enterprises increase, and the current ratio may rise; In the off-season, the current assets of enterprises decrease, and the current ratio may decrease.

5. Financial soundness: The current ratio is one of the important indicators to evaluate the financial soundness of an enterprise. An enterprise with a high liquidity ratio has a relatively stable financial situation and can better cope with short-term financial risks.