Federal Income Tax Calculator
Estimate federal income tax, marginal rate, effective rate, and bracket placement using current IRS tax brackets and standard deductions.
Federal ordinary income brackets and rate structure.
2026 standard deduction and updated threshold figures.
Withholding and estimated tax planning background.
Self-Employment Tax Calculator
Estimate Social Security and Medicare tax on business income using Schedule SE rules, wage-base limits, and the half-SE-tax deduction.
Self-employment tax base and Schedule SE calculation rules.
Annual Social Security wage-base limit.
Estimated-tax and withholding planning for self-employed filers.
Tax Refund Estimator
Estimate your 2025 federal tax refund or balance due using income, withholding, Child Tax Credit, and EITC inputs.
Federal income tax brackets used in refund estimates.
Current child tax credit and refundable ACTC limits.
2025 EITC limits, phase-in, and phaseout tables.
Tax Deadline Tracker
Track 2026 federal filing, extension, and estimated-tax due dates using current IRS deadline guidance for calendar-year filers.
Current federal individual filing deadline guidance.
Estimated-tax due dates and payment guidance.
Automatic filing extension guidance.
W-4 Withholding Calculator
Estimate 2025 paycheck withholding adjustments using annual wages, credits, and current federal tax brackets to guide Form W-4 updates.
Official withholding certificate instructions.
Federal withholding methods used in payroll planning.
Withholding and estimated tax guidance.
1099 Tax Calculator
Estimate federal income tax, self-employment tax, and a quarterly payment target for 1099 income using current IRS rules.
Self-employment tax mechanics for independent workers.
Additional Medicare Tax guidance.
Estimated-tax planning and withholding rules.
Quarterly Estimated Tax Calculator
Estimate 2026 quarterly tax payments using the 90% current-year rule and prior-year safe-harbor rules from IRS Publication 505.
Safe-harbor rules and estimated tax planning.
Estimated tax payment guidance and due dates.
Federal calendar-year filing and timing context.
Paycheck Calculator
Estimate federal withholding, Social Security, Medicare, and net pay per paycheck using 2026 federal tax settings.
Employer payroll tax rules and withholding background.
Federal withholding methods used in payroll systems.
Social Security wage-base limit.
Child Tax Credit Calculator
Estimate Child Tax Credit and refundable Additional Child Tax Credit using current IRS phaseout and earned-income rules.
Current CTC and ACTC maximum amounts and phaseouts.
Credit computation context for Child Tax Credit and ACTC.
Used when the credit is paired with tax-liability planning.
EITC Calculator
Estimate the 2025 Earned Income Tax Credit using earned income, AGI, filing status, qualifying children, and the IRS investment-income cap.
2025 EITC limits, phase-in, and phaseout tables.
Eligibility overview and current EITC guidance.
Official eligibility checker for edge cases.
Standard vs Itemized Deduction Calculator
Compare common 2025 itemized deductions against the standard deduction using SALT, mortgage interest, charity, and medical-expense rules.
Itemized-deduction categories, floors, and SALT rules.
Standard deduction amounts and taxpayer guidance.
Helpful when comparing deduction choices against tax savings.
Capital Gains Tax Calculator
Estimate short-term and long-term federal capital gains tax plus optional net investment income tax using current IRS thresholds.
Ordinary income rates and capital-gains thresholds.
Net investment income tax rules.
Investment income and expenses guidance.
Tax Bracket Calculator by State
Look up each state income tax system and estimate tax for no-tax and flat-tax states, with a planning snapshot for progressive states.
Scope and review notes for the state-planning snapshot.
Directory to official state tax agencies for state-by-state verification.
IRA Deduction Calculator
Estimate traditional IRA contribution and deduction limits using current IRS compensation, plan-coverage, and MAGI phaseout rules.
Traditional IRA contribution and deduction rules.
Official retirement-plan guidance hub.
Useful when measuring the tax value of a deduction.
HSA Tax Savings Calculator
Estimate HSA contribution limits, federal tax savings, and payroll-tax savings using current IRS coverage tiers, catch-up rules, and payroll wage inputs.
Health savings account contribution rules.
HSA reporting and contribution context.
Payroll tax treatment of HSA cafeteria-plan contributions.
Used to estimate federal tax savings.
Crypto Tax Calculator
Estimate 2025 federal tax on crypto sales, gains, losses, and taxable digital-asset income using current IRS digital-asset guidance.
Current IRS digital-asset tax framework.
Used for ordinary income and short-term gain estimates.
Property sales and dispositions background.
Quick access
Core trust and support pages live here, while every calculator stays linked from the main directory on each tool page.
Explore all 16 calculators
The calculator directory on every tool page links the full suite together. The footer below also keeps the trust and support pages crawlable from anywhere in the site.