Capital gains tax calculator
Calculate Korean capital gains tax on foreign ETF/stock sales (22% + ₩2.5M deduction) with FX gain breakdown. Also covers domestic major shareholder tax.
Inputs
Calculation flow
How it works
- Foreign ETF/stocks: (Sell total × sell FX) − (Buy total × buy FX) − ₩2.5M deduction → × 22%. FX gain shown separately.
- Domestic major shareholder: 22% up to ₩300M, 27.5% above (including local tax). Applies when holding ≥₩1B in a single stock.
- Domestic general: Capital gains tax exempt. Dividend withholding of 15.4% is separate. Monitor 금투세 policy changes post-2026.
- Effective tax rate: Total tax ÷ total gain. The 'true burden' rate after accounting for FX and deductions.
FAQ
Is the 22% foreign stock capital gains tax correct?
Capital gains tax 20% + local income tax 2% (10% of capital gains tax) = 22% combined. Applied to annual gains above the ₩2.5M basic deduction. File annually in May with comprehensive income tax return as separate taxation. Losses can be netted within foreign stocks/ETFs but not with other income.
How is FX gain calculated?
'Sell rate × USD sell total' minus 'buy rate × USD buy total' gives the total KRW gain. Under Korean tax law, FX gain is included in capital gains and is taxable.
When should I turn off the ₩2.5M deduction?
Turn it off when you want to net losses from other foreign stock transactions against this gain. The deduction applies once per person per year.
Is domestic general shareholder capital gains really 0%?
As of 2026, capital gains from domestic listed stocks held by minor individual shareholders are tax-exempt. However, holding ≥₩1B in a single stock or meeting certain ownership thresholds triggers 'major shareholder' status at 22–27.5%.
When and how do I file?
Prior year (Jan 1 – Dec 31) gains are reported in May of the following year during the comprehensive income tax filing period. Your broker provides a 'foreign stock capital gains statement' — use it to file as separate taxation on Hometax (홈택스).
Are ETF distributions (dividends) included in this calculation?
No. This calculator covers capital gains tax only. US ETF distributions are subject to automatic 15% US withholding, with additional Korean taxation filed separately as dividends.
Related tools
This calculator is for informational purposes only. Actual tax treatment varies by transaction structure, filing method, and policy changes. Consult a tax professional before major transactions. trovetool does not provide tax advice.