자영업자 세금 계산기

A tax calculator designed for self-employed individuals and sole proprietors in Korea.

Calculate VAT, comprehensive income tax, and national insurance contributions — all in one app.

Key Features

[VAT Calculation]

• General taxpayer: Revenue 10% automatic calculation
• Simplified taxpayer: Industry-specific value-added rates (15–40%) applied automatically
• Easy comparison with a toggle between general and simplified taxpayer

[Income Tax Calculation]

• Quick calculation using the simplified expense rate method
• Choose your industry: IT/Professional, Restaurant, Retail, Service, Construction, Manufacturing, and more
• Displays income tax local income tax (10%) combined

[National Insurance Calculation]

• Calculates National Pension, Health Insurance, and Long-term Care Insurance for regional subscribers
• View monthly payment and annual total at a glance
• National Pension ceiling (6.17M KRW) and floor (370K KRW) automatically applied

[User-Friendly UX]

• Automatic comma formatting as you type amounts
• Expandable/collapsible calculation breakdown

Check your taxes before filing.