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Returns & Compounding Calculators
Calculate future dividends and assets including after-tax dividends, dividend growth and the effect of reinvestment.
Enter your values and press Calculate
Final-year after-tax annual dividends
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Final portfolio value
Cumulative after-tax dividends
Dividend yield on invested principal
How to use
If you buy more shares with the dividends you receive, your next dividend gets bigger. Add dividend growth and the gap widens over time.
Enter your initial investment, monthly additional investment and current dividend yield.
Enter the dividend growth rate and share price growth rate. Dividend growth stocks commonly grow 5-10% a year and high-dividend stocks 0-3%.
Choose the tax rate that matches your account type and whether to reinvest, and it shows the after-tax result.
It assumes the share price rises each month by the monthly equivalent of the annual growth rate, and that shares held × dividend per share (after tax) is paid each dividend period. Dividend per share grows by the dividend growth rate each year. If you choose reinvestment, the dividend paid is immediately used to buy more shares at that month's price.
Korean dividends may become subject to comprehensive taxation if financial income exceeds KRW 20 million a year. Check with the Comprehensive Financial Income Tax & Health Insurance Checker.
Not necessarily. Sometimes the yield looks high only because the share price has dropped sharply. Look at the payout ratio, dividend growth history and earnings stability as well.
If 15% is withheld in the US, that is higher than the Korean dividend income tax rate (14%), so there is no additional withholding. However, if financial income exceeds KRW 20 million, it is included in comprehensive taxation.
They aren't taxed when received; they are taxed later as pension income tax (3.3-5.5%) when you receive them as an annuity. Meanwhile, they are reinvested without tax.
Results are estimates based on your inputs and simplified assumptions, and are for reference only, not a basis for investment decisions.
Last updated: November 2, 2026
Combine stocks so dividends arrive every month and build a monthly after-tax dividend calendar.
Calculate how much your principal and monthly contributions grow with compounding, and how much you need each month to reach a target amount.
Check whether your interest and dividends exceed KRW 20 million and whether it affects your eligibility as a health insurance dependent.