South Dakota Capital Gains Tax Calculator 2026
Calculate your capital gains tax on investments in South Dakota (SD). South Dakota has no state income tax, so your capital gains are only taxed at the federal level. Enter your investment details to see your estimated federal and state tax.
Investment Details
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Your ordinary income (wages, salary) before capital gains
Enter your investment details to estimate capital gains tax
South Dakota Capital Gains Tax Overview
South Dakota does not levy a state income tax on wages or capital gains, so residents only pay federal capital gains tax (and potentially the 3.8% NIIT). This can result in significant tax savings compared to states with high income tax rates like California or New York.
Your capital gains will still be subject to federal long-term rates of 0%, 15%, or 20% depending on your total taxable income and filing status, plus the 3.8% Net Investment Income Tax if your income exceeds the NIIT threshold.
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