How to calculate the monthly salary of Beijing social security base replacement?

The monthly calculation rules of Beijing social security base instead of monthly salary are as follows:

1, and the month when the social security base is changed refers to the difference between the social security payment base calculated according to the actual salary payable before revision and the social security payment base calculated according to the actual salary payable after revision.

2. If the social security base is paid in the current month or the next month, the payment month of the social security base is the latest month; If the social security base is paid one month before the current month, the month when the social security base is paid is the current month.

3. After the month of social security base replacement is determined, it is necessary to calculate the amount of social security that should be paid according to the actual salary amount paid in the current month and the proportion of social security contributions in the current month, including social security items such as endowment insurance, medical insurance, unemployment insurance and work injury insurance.