Tax & IRS

Calculate your federal income tax for 2026. See your tax bracket, effective rate, FICA, and take-home pay based on current IRS rates.

Calculate short-term and long-term capital gains tax on stocks, real estate, and other investments. Includes NIIT and state tax estimates.

Calculate your Child Tax Credit and Other Dependent Credit. See phase-out thresholds and net credit amount for your income.

Check if you qualify for the EITC and calculate your credit amount based on income, filing status, and number of children.

Calculate your after-tax lottery winnings. Compare lump sum vs annuity payout with federal and state tax estimates.

Calculate whether marriage will increase or decrease your combined tax bill. Compare filing single vs married jointly.

Calculate sales tax by state and city. See state rate, local rate, and total tax on your purchase.

Calculate federal estate tax with 2026 exemption ($15M). See state estate tax if applicable.

Calculate gift tax with 2026 annual exclusion ($19,000) and lifetime exemption. See remaining exemption.

Calculate how much of your Social Security benefits are taxable based on combined income.

Calculate tax on ISO and NSO stock options at exercise and sale. Compare ISO vs NSO tax treatment.

Calculate tax on restricted stock units at vesting. See federal, state, and FICA withholding.

Calculate ESPP gains and tax treatment for qualifying vs disqualifying dispositions.

See exactly which tax brackets your income falls into. Visual breakdown across all filing statuses.

Optimize your W-4 form to avoid a big refund or owing taxes. See recommended withholding settings.

Calculate whether you owe AMT from ISO stock options, SALT deductions, or high income.

Calculate tax deduction for cash or stock donations. See AGI limits and donor-advised fund benefits.

Compare American Opportunity and Lifetime Learning credits. See which saves more for your situation.

Calculate your Adjusted Gross Income from total income and above-the-line deductions.

Check if you are withholding enough taxes. See if you will owe or get a refund at year-end.

Calculate the Child and Dependent Care Credit vs DCFSA. See which saves more.

Calculate household employment taxes for nannies, housekeepers, and other household employees.

Calculate your true effective tax rate including federal, state, and FICA. Compare to marginal rate.

Calculate military moving expense deduction. Post-2018: only active duty military qualifies.

Compare simplified ($5/sqft) vs regular home office deduction. See which method saves more.

Calculate CRT annual payout, charitable deduction, and tax savings.

Calculate tax savings from harvesting investment losses against gains. See $3,000 carryforward rules.

Calculate QCD tax savings from donating directly from your IRA at age 70.5+. Satisfies RMD.

Compare NUA strategy vs IRA rollover for employer stock. See LTCG vs ordinary income tax savings.

Calculate taxable passive income with loss limitations and $25K rental exception.

Compare your tax liability under 2025 vs 2026 brackets. See how bracket inflation adjustments affect you.

Calculate your SALT deduction with the $10,000 cap. See how much you lose to the cap.

Calculate estate tax with 2026 exemption ($15M) and 2026 sunset. See portability for married couples.

Calculate income tax for trusts using the compressed trust tax brackets. 37% at just $15,650!

Calculate DAF tax benefits with bunching strategy. See capital gains avoided on appreciated stock.

Calculate taxes on house flipping profits. See short-term vs long-term and dealer status impact.

Estimate tax prep cost by return complexity and filing method (DIY, CPA, enrolled agent).

Calculate maximum income you can earn tax-free with standard deduction and credits.

Check if you can claim someone as a tax dependent. See qualifying child vs relative rules.

Estimate when your tax refund will arrive based on filing and payment method.

Find your standard deduction amount by filing status, age, and blindness.

Calculate taxable income from gross income, adjustments, and deductions.

Calculate per-paycheck federal withholding from W-4 inputs.

Verify W-2 boxes from gross wages and pre-tax deductions. Spot discrepancies.

Calculate SE tax, income tax, and quarterly payments from 1099-NEC income.

Calculate 25C and 25D energy efficiency credits for solar, heat pumps, insulation, and more.

Check eligibility for the $7,500 new or $4,000 used EV tax credit with MSRP and income limits.

Calculate total itemized deductions and compare to standard deduction.

Calculate deductible medical expenses exceeding the 7.5% AGI threshold.

Calculate the $300 teacher supply deduction ($600 joint) for educators.

Calculate student loan interest deduction with MAGI phase-out.

Calculate failure-to-file and failure-to-pay penalties with interest.

Calculate balance due and penalties when filing a tax extension (Form 4868).

Calculate tax on qualified vs ordinary dividends at your income level.

Calculate tax savings from harvesting gains in the 0% LTCG bracket.

Instantly see your tax bracket and per-bracket breakdown from income and filing status.

Calculate tax savings from Dependent Care FSA vs Child Care Credit.

Calculate adoption tax credit up to $17,810 for 2026 with income phase-out.

Calculate exact Earned Income Tax Credit from detailed phase-in/phase-out tables.

Calculate tax-free portion of savings bond interest used for education.

Calculate foreign tax credit vs deduction and see which saves more.

Calculate kiddie tax on child unearned income above $2,500 at parent rate.

Check if you owe AMT from AMTI, exemption, and phase-out calculations.

Look up AMT exemption amounts and estimate alternative minimum tax liability.

Calculate tax savings from a Dependent Care Flexible Spending Account.

Look up Earned Income Tax Credit amount by income, filing status, and children.