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Both calculators run independently β€” change the inputs on either side to compare results.

Taxes

Income Tax Calculator

Estimate your US federal income tax liability by entering your annual gross income, filing status, and standard deduction β€” the calculator subtracts the deduction and applies a simplified single rate per filing status. A back-of-envelope tool; for accurate progressive bracket math use the full bracket calculator.

Fill in the required fields to see your result.
Taxes

Quarterly Estimated Tax Calculator

Estimates your quarterly federal estimated-tax payment by applying your expected effective tax rate to expected annual income and dividing into four equal installments. Designed for the self-employed, contractors, retirees, and anyone with significant non-wage income that does not have tax withheld at source.

Fill in the required fields to see your result.

Key differences

Income Tax CalculatorQuarterly Estimated Tax Calculator
CategoryTaxesTaxes
Inputs required32
ResultFederal Tax Owed ($)Quarterly Payment ($)
What it doesEstimate your US federal income tax liability by entering your annual gross income, filing status, and standard deduction β€” the calculator subtracts the deduction and applies a simplified single rate per filing status. A back-of-envelope tool; for accurate progressive bracket math use the full bracket calculator.Estimates your quarterly federal estimated-tax payment by applying your expected effective tax rate to expected annual income and dividing into four equal installments. Designed for the self-employed, contractors, retirees, and anyone with significant non-wage income that does not have tax withheld at source.