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

Quarterly Estimated Tax Calculator

Calculate how much to pay each quarter in estimated taxes to avoid IRS underpayment penalties. Designed for freelancers, self-employed workers, and anyone with income not covered by employer withholding.

Expected Annual Income ($)

Prior Year Tax Liability ($)

Expected Withholding & Credits ($)

Estimated Deductions ($)

Filing Status

Fill in the required fields to see your result.

Taxes

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.

Key differences

	Quarterly Estimated Tax Calculator	Estimated Tax Payments Calculator
Category	Taxes	Taxes
Inputs required	5	4
Result	Quarterly Payment ($)	Quarterly Payment Amount ($)
What it does	Calculate how much to pay each quarter in estimated taxes to avoid IRS underpayment penalties. Designed for freelancers, self-employed workers, and anyone with income not covered by employer withholding.	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.