Terms of Service

Article 1 (Purpose)

These terms set forth the conditions and procedures for using the online calculator services provided by DdakSem (hereinafter "the Service").

Article 2 (Service Description)

The Service provides the following free online calculators:

  • Finance: Take-home salary, severance pay, loan interest, social insurance
  • Tax: Capital gains tax, gift tax
  • Real estate: Acquisition tax, rent conversion rate
  • Health: BMI, Basal Metabolic Rate (BMR)
  • Date: D-Day, age calculator

Article 3 (Terms of Use)

  • The Service is free and available to anyone without registration.
  • No additional software installation is required.
  • All calculations are performed in the user's browser, and input data is not stored on our servers.

Article 4 (Disclaimer)

  • Calculation results are for reference only and have no legal effect.
  • Tax rates and contribution rates are based on 2026 standards and may differ from actual amounts if legislation changes.
  • For accurate tax and insurance calculations, please consult the relevant authorities or professionals (tax accountants, labor attorneys, etc.).
  • The Service provider is not liable for decisions made based on calculation results.

Article 5 (Intellectual Property)

All design, code, and content of the Service are copyrighted by DdakSem. Unauthorized reproduction and distribution are prohibited.

Article 6 (Service Modification and Suspension)

  • The Service provider may modify or suspend the Service as needed.
  • The Service provider bears no obligation to compensate users for damages caused by service changes or suspension.

Article 7 (Advertising)

The Service may display advertisements through Google AdSense and other advertising services. Responsibility for ad content lies with the respective advertisers.

Article 8 (Terms Modification)

These terms may be modified as necessary for service operation, and changes will be announced on this page.

Effective date: March 7, 2026