
About
Easily calculate mandatory social insurance premiums for both employees and employers. Input basic salary information to quickly determine contributions for national pension, health insurance, long-term care insurance, and employment insurance.
What's New in 4대보험계산기
1.2.1
December 14, 2025
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FAQ
What is 4대보험계산기?
4대보험계산기 is a free application designed to help users easily calculate mandatory social insurance premiums for both employees and employers in South Korea. It simplifies the process by requiring minimal input like salary and business details.
How does 4대보험계산기 calculate premiums?
For employees, it calculates premiums based solely on monthly salary. For employers, it considers salary, industry type, and company size to determine contributions for national pension, health insurance, long-term care insurance, employment insurance, and industrial accident insurance.
Does 4대보험계산기 have ads?
Yes, 4대보험계산기 contains advertisements. As a free application, it is supported by ads to provide its services to users.
What other calculators are available through 4대보험계산기?
Beyond social insurance, the app links to additional calculators for payroll conversion (hourly, daily, monthly, annual), annual leave calculation, hourly wage calculation (including overtime and tax), unemployment benefit eligibility, and holiday pay.
Is 4대보험계산기 available on all devices?
4대보험계산기 is available on iOS devices, including iPhones and iPads. It is designed for the Apple ecosystem.
How often is 4대보험계산기 updated?
The app was last updated on December 14, 2025, indicating ongoing maintenance and potential feature additions. The latest version is 1.2.1.
What is the age rating for 4대보험계산기?
4대보험계산기 has an age rating of 4+, making it suitable for users of all ages. This indicates no mature content is present within the application.
Can I contact the developer of 4대보험계산기?
Yes, you can contact the developer, Seulki Eom, via email at hydroponicglass@gmail.com. They also maintain a website, Instagram, and Naver blog for communication.




