You can use the pre-tax salary calculator. Or use after-tax income to calculate. The formula is as follows: after-tax salary = pre-tax income-(individual social security contribution+provident fund contribution)-individual income tax. Pre-tax wages refer to wages payable before paying individual income tax, including hourly wages, piece-rate wages, bonuses, allowances and subsidies, overtime wages and wages paid under special circumstances. Generally refers to the monthly salary. After-tax salary refers to the salary income actually obtained after deducting personal income tax and four funds (endowment insurance, medical insurance, unemployment insurance and provident fund) from pre-tax salary. Social insurance and housing accumulation fund paid by individuals are paid before tax.

The conditions for individual tax refund are as follows:

1. The annual comprehensive income in the previous year was less than 60,000 yuan, but personal income tax was paid in advance.

2. In the previous year, there were special additional deductions that met the conditions for enjoyment, but the deduction was not declared when the tax was paid in advance.

3. Due to employment in the middle of the year, resignation or lack of income in some months, the expenses are deducted by 60,000 yuan, special additional deductions such as "three insurances and one gold", special additional deductions such as children's education, enterprise (occupational) annuity, commercial health insurance and individual tax deferred pension insurance. Is not enough.

4. Those who are not employed by the company and only get income from labor remuneration, manuscript remuneration and royalties need to apply for various pre-tax deductions through annual settlement.

5. The withholding rate applicable in the middle of the year is higher than the annual tax rate applicable to the comprehensive income for the whole year.

Legal basis: People's Republic of China (PRC) Tax Collection and Management Law.

Article 1 This Law is formulated with a view to strengthening the administration of tax collection, standardizing tax collection, safeguarding national tax revenue, protecting the legitimate rights and interests of taxpayers and promoting economic and social development.

Article 2 This Law is applicable to the collection and management of various taxes collected by tax authorities according to law.

Article 3 The collection, suspension, reduction, exemption, refund and supplementary payment of taxes shall be carried out in accordance with the law. Where the State Council is authorized by law, it shall be implemented in accordance with the administrative regulations formulated by the State Council.

No organ, unit or individual may, in violation of the provisions of laws and administrative regulations, arbitrarily make decisions on tax collection, suspension, tax reduction, exemption, tax refund, overdue tax and other decisions inconsistent with tax laws and administrative regulations.

Article 4 Units and individuals that are obligated to pay taxes according to laws and administrative regulations are taxpayers.

Units and individuals that have the obligation to withhold and pay taxes according to laws and administrative regulations are withholding agents. Taxpayers and withholding agents must pay taxes, withhold and remit taxes and collect and remit taxes in accordance with the provisions of laws and administrative regulations.