Free tools
Tax calculators
Straightforward tax calculators built on the published IRS figures for 2025 and 2026, now with state income tax across all 50 states and DC — no sign-up, no email capture, and no data leaving your browser. They’re a starting point for a conversation, not a substitute for advice on your own numbers.
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S-Corp Savings Calculator
Most usedCompare an LLC taxed on self-employment income against an S-corp election, side by side and net of the cost of running one.
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State Income Tax Calculator
Work out state income tax in any of the 50 states or DC, or compare two states side by side before you move.
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Sales Tax Calculator
Look up the combined sales tax rate for any of the 50 states or DC, add or remove tax on a purchase, and compare two states.
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Self-Employment Tax Calculator
Work out self-employment tax on 1099 or freelance profit, including the half-of-SE-tax deduction and your income tax on top.
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Quarterly Estimated Tax Calculator
Turn expected annual income into four estimated payments, with the federal due dates and how safe harbour works.
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Tax Bracket Calculator
Find the bracket your income actually reaches, and see why your marginal rate is not the rate you pay overall.
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Paycheck / Take-Home Calculator
Estimate what lands in your account after FICA and federal withholding, across weekly, biweekly, and monthly pay.
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Refund Estimator
Compare total federal tax against what you have already paid in, to estimate a refund or a balance due.
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Figures: IRS Rev. Proc. 2024-40 (2025) and 2025-32 (2026). Federal figures only — state and local taxes are not included. All calculations run in your browser. Nothing you enter is collected, transmitted, or stored.
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