Tax & Tax Saving
Taxes are part of your return too.
Overseas stock capital gains tax, comprehensive taxation of financial income, tax saving by account, and gifts to children, under Korean tax law.
Tax-saving tools built on Korean tax law.
Each tool shows its effective date and legal basis. Tax laws can change every year, so be sure to check the effective date.
Investment taxes
Start with taxes on investment income.
Compare overseas stock capital gains tax, comprehensive taxation of financial income, ETF listing location, and separate taxation of high dividends.
Overseas Stock Capital Gains Tax Saving Simulator
Simulate how much you could sell before year-end to cut your tax, using the KRW 2.5 million basic deduction and netting of gains and losses.
Comprehensive Financial Income Tax & Health Insurance Checker
Check whether your interest and dividends exceed KRW 20 million and whether it affects your eligibility as a health insurance dependent.
After-tax comparison of Korea-listed vs US-listed ETFs
Compare the tax on distributions and trading gains, and the after-tax amount, when you buy the same S&P 500 ETF listed in Korea versus listed in the US.
High-dividend company dividend separate taxation calculator
Compare whether separate taxation (14–30%) of high-dividend company dividend income, in effect from 2026, or comprehensive taxation is more favorable.
Tax-advantaged accounts
Choosing the right account alone can cut your taxes.
Weigh pension savings and IRP tax credits, ISA tax exemption, and after-tax returns by account all at once.
After-tax Return Comparison by Account
Compare after-tax results when making the same investment in a regular account, ISA, pension savings account or IRP.
Pension Savings & IRP Tax Credit Calculator
Calculate your year-end tax settlement refund from pension savings and IRP contributions, and how much room is left under the limit.
ISA tax-saving calculator
Compare the after-tax amount of the same investment made in an ISA versus a taxable account, reflecting the tax-free limit and the 9.9% separate taxation.
Income, real estate & gifts
Estimate your taxes before you file.
Get a sense of your comprehensive income tax, real estate capital gains tax, and gift tax on gifts to children before filing.
Comprehensive Income Tax Calculator
Combine earned, business, pension and other income to estimate your tax base, tax bracket, and the additional tax due or refund in May.
Real Estate Capital Gains Tax Calculator
Calculate capital gains tax when selling a home, including the one-household-one-home exemption, long-term holding special deduction, and short-term and surcharge rates.
Child Stock Gift Calculator
Plan the timing and amount of a gift using the 10-year gift deduction limit, and calculate the gift tax.
Tax-saving calendar
What to take care of, and when.
Jan
Pension savings and IRP limit reset
The tax credit limit starts over in the new year. Contributing in monthly installments is easier on your cash flow.
May
Comprehensive income tax and capital gains tax filing
If you had overseas stock capital gains last year or are subject to comprehensive taxation of financial income, you file in May.
Nov–Dec
Tidy up overseas stock gains and losses
The KRW 2.5 million deduction and tax-loss selling can reduce the tax you pay next May. Check the settlement date rules.
Dec
Check dividend record dates
Year-end dividend record dates differ by company. Check the Ex-dividend Dates calendar.