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Both calculators run independently — change the inputs on either side to compare results.

Estimated Tax Payments Calculator

Estimate your quarterly IRS tax payments to stay compliant and avoid underpayment penalties. Useful for freelancers, self-employed individuals, and anyone with income not subject to automatic withholding.

Expected Annual Income ($)

Prior Year Tax Liability ($)

Taxes Already Withheld ($)

Estimated Deductions ($)

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.

Expected Annual Income ($)

Estimated Tax Rate (%)

Fill in the required fields to see your result.

Key differences

	Estimated Tax Payments Calculator	Quarterly Estimated Tax Calculator
Category	Taxes	Taxes
Inputs required	4	2
Result	Quarterly Payment Amount ($)	Quarterly Payment ($)
What it does	Estimate your quarterly IRS tax payments to stay compliant and avoid underpayment penalties. Useful for freelancers, self-employed individuals, and anyone with income not subject to automatic withholding.	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.