Tax Calculators
Educational calculators for federal tax estimates, contribution planning, deductions, and tax-saving opportunity discovery.
TaxSaveIQ MVP
Start with the Federal Tax Calculator
All core calculators are live — federal income tax, capital gains, state tax, self-employment, LLC, Roth vs Traditional IRA, and W-2 vs 1099. We're adding advanced tools and guides (like the Quarterly Tax Planner) on a rolling basis.
All Calculators 7
Federal Tax Calculator
Estimate taxable income, federal tax, marginal rate, effective rate, and contribution opportunities.
Capital Gains Tax Calculator
Estimate short-term and long-term capital gains tax impact.
State Tax Estimate Calculator
Compare potential state income tax estimates by location.
Roth vs Traditional IRA Calculator
Compare retirement contribution strategies from a tax perspective.
Self-Employment Tax Calculator
Estimate self-employment tax and income tax planning impact.
LLC Tax Calculator
Estimate LLC self-employment tax, QBI, and sole-prop vs S-Corp outcomes.
W-2 vs 1099 Calculator
Compare employee and contractor tax outcomes for educational planning.
Take action, not just estimates
Tax Savings Action Center
Free, privacy-first tools that turn tax rules into specific moves you can make — through payroll, before December 31, or by the filing deadline.
Dial in your federal withholding so you don't over- or under-pay. Get a suggested W-4 Step 3 and Step 4(c) amount.
Open tool →Answer 12 questions to get your Tax IQ score out of 100 and a ranked list of your top tax-saving moves.
Open tool →Estimate the Child Tax Credit, Credit for Other Dependents, child-care credit, EITC eligibility, and adoption credit.
Open tool →Compare the simplified ($5/sq ft) and actual-expense methods for your self-employed home office and see which is larger.
Open tool →Estimate your business-vehicle deduction at the 2026 standard rate of 72.5¢/mile vs the actual-expense method.
Open tool →Estimate quarterly payments and check the safe-harbor rule so you avoid IRS underpayment penalties.
Open tool →🔒 No SSN, no bank login, no IRS login, no payroll password. Runs in your browser. Educational estimate only.
2026 OBBBA deduction calculators
New tip, overtime, senior, car-loan, SALT, and charitable deductions.
Take-home pay by state & salary
See exact 2026 take-home pay for common salaries in each state.
Tax calculators by profession
Profession-specific federal take-home and self-employment estimates.
Educational use only
TaxSaveIQ calculators provide simplified educational estimates and planning scenarios. They do not provide tax, legal, accounting, investment, or financial advice. Confirm all tax decisions with a qualified tax professional.