Free calculators for federal tax, self-employment tax, quarterly payments, and state comparisons. Built by a former IRS agent who actually reads the fine print.
Estimate your federal tax based on income, deductions, and filing status. Uses 2026 OBBBA brackets.
Calculate NowCalculate Schedule C and SE tax for freelancers, contractors, and small business owners.
Calculate NowPredict whether you'll get a refund or owe money before you file. Plan your cash flow.
Calculate NowCompare standard deduction vs itemized to find the best option for your 2026 return.
Compare NowCalculate Q1-Q4 estimated tax payments for self-employed. Never miss a deadline again.
Calculate NowCompare state income tax rates across all 50 states. See where your paycheck goes furthest.
Compare NowMy bartender friend Dave texted me last Thursday at 11 PM. "Dude, I heard tipped workers can deduct $25,000 now. Is this real or did my regular lie to...
The IRS Letter That Made Me Realize I Had Been Doing My Taxes Wrong for Years I opened the envelope on a Saturday morning in February. The return addr...
The number on the screen was red. Not a gentle pink. Not a warning orange. A violent, screaming red that said I owed the IRS $4,200. I stared at it fo...
Why My Tax Calculator Missed $1,200 in Energy Credits—And the IRS Didn't Care James Whitfield I was doing my taxes in April, using the online tax calc...
I Owe the IRS $4,200 Because I Trusted TurboTax's 'Maximum Refund' Promise I made a mistake. I need to say that first, because what follows involves a...
Tax Loss Harvesting: A Practical Guide for 2026 My phone buzzed during dinner last November. Jennifer gave me that look—the one that says
Every calculator tested against official IRS worksheets and Publication 505. No shortcuts.
All calculations happen in your browser. No data sent to servers. No tracking.
Includes OBBBA changes, new brackets, and updated standard deductions for 2026.