New Jersey Capital Gains Tax Calculator

    Estimate the New Jersey state tax on a capital gain. Enter your gain and other taxable income — NJ taxes gains on top of your other income, so the rate depends on your total.

    Gains taxed as:Ordinary incomeState top rate:10.75%

    Inputs

    $
    $

    Estimate only — not tax advice. New Jersey 2026 figures; verify with the New Jersey Division of Taxation (nj.gov/treasury/taxation).

    Results

    NJ tax on gain
    $1,274
    After-tax gain
    $18,726
    Effective rate on gain
    6.37%
    State marginal rate
    6.37%

    How New Jersey capital gains tax works

    New Jersey does not have a separate capital gains rate. Gains are taxed as ordinary income, stacking on top of your other earnings.

    Because of that stacking, a large gain can push part of your income into a higher bracket, so the rate on the gain depends on your total income for the year.

    New Jersey taxes capital gains as ordinary income.

    Short-term vs long-term gains

    Federally, assets held longer than a year qualify for lower long-term rates. Most states, including New Jersey, do not offer a separate long-term rate.

    This calculator estimates the NJ state tax by adding the gain to your other income and measuring the extra tax — your true marginal cost.

    Lowering the bill

    Holding assets longer, harvesting losses to offset gains, and spreading sales across tax years can all reduce what you owe.

    Remember this shows New Jersey state tax only; federal capital gains tax applies on top. Verify with the New Jersey Division of Taxation (nj.gov/treasury/taxation).

    Frequently asked questions

    Does New Jersey tax capital gains?

    Yes — New Jersey taxes capital gains as ordinary income, so the rate depends on your total income.

    What is the capital gains tax rate in New Jersey?

    Gains are taxed at your New Jersey income tax rate, up to 10.75%, since there is no separate capital gains rate.

    Are long-term gains taxed lower in New Jersey?

    New Jersey taxes capital gains as ordinary income.

    Does this include federal capital gains tax?

    No. This estimates the NJ state tax only. Federal capital gains tax is separate and applies on top.

    Sources & method

    How this is calculated: The gain is added on top of your other income and taxed at New Jersey's marginal income tax rate.

    Source: New Jersey Division of Taxation · 2026 figures, estimate only — not tax advice.

    Add this calculator to your website — free

    Copy this into your page. It's free to use — just keep the credit line under the widget.

    Other New Jersey tax calculators

    Capital Gains in other states