Federal tax planning tools for annual tax estimates, filing deadlines, state tax snapshots, and quarterly payment planning.
Category tools
Calculators in this category
Federal Income Tax CalculatorEstimate federal income tax, effective rate, and bracket placement.Tax Deadline TrackerTrack filing, extension, and estimated-tax due dates.Quarterly Estimated Tax CalculatorPlan safe-harbor estimated tax payments and remaining quarters.Tax Bracket Calculator by StateLook up state income tax systems and planning-level estimates.
Supporting articles
Related reading
Beginner Guide to Using a Federal Income Tax CalculatorLearn how to use a federal income tax calculator, what inputs matter, and how to turn the result into better refund and withholding decisions.How to Calculate Federal Income Tax Step by StepA step-by-step explanation of how federal income tax is calculated using deductions, taxable income, and progressive IRS tax brackets.Quarterly Estimated Tax Examples for Freelancers and Side HustlesSee quarterly estimated tax examples for freelancers, mixed-income households, and late-start side hustles using safe-harbor planning ideas.How to Calculate Self-Employment Tax Step by StepLearn how self-employment tax is calculated, how the Social Security wage base and Medicare rates apply, and how the deduction works.
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