California Tax Brackets 2024 Capital Gains Calculator. The california capital gains tax is levied at the same rate as regular income. At the state level, your capital gains taxes will depend on your particular state.
First, we calculate your adjusted gross income (agi) by taking your total household income and reducing it by certain items such as contributions to your 401 (k). California has nine state income tax rates, ranging from 1% to 12.3%.