Capital Gains Tax Calculator (2026)
Estimate federal capital gains tax on stock, crypto, or real estate sales. Short vs long-term, plus 3.8% NIIT for high earners.
FINANCEEstimate federal capital gains tax on a stock, crypto, or real estate sale. Long-term (held > 1 year) uses 0/15/20% brackets stacking on top of ordinary income; short-term uses your marginal ordinary rate.
The 3.8% NIIT applies to investment income if AGI exceeds $200K (single) / $250K (MFJ). Capital losses offset gains; $3K/yr can offset ordinary income with the rest carrying forward. Section 121 excludes up to $250K/$500K (single/MFJ) of gain on a primary residence sale. Collectibles are taxed at a max 28%; depreciation recapture on real estate at max 25%.
Capital Gains Tax Calculator (2026)
Estimate federal capital gains tax on a stock, crypto, or real estate sale. Includes the 3.8% Net Investment Income Tax (NIIT) for high earners. Held more than 1 year = long-term (lower rates).
Federal estimate only - state capital gains tax adds 0-13.3% depending on state (CA at the high end; no state CGT in WA, NV, FL, TX, AK, SD, WY, TN, NH on investment income). Section 121 exclusion ($250K single / $500K MFJ) may eliminate gain on a primary home sale. Crypto, collectibles (28%), and depreciation recapture have different rules.