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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

Business Tax Deduction Calculator

Estimate your total allowable business tax deductions for home office use, vehicle mileage, equipment purchases, and business meals. Designed for freelancers, sole proprietors, and small business owners preparing Schedule C.

Home Office Square Feet (sq ft)

Total Home Square Feet (sq ft)

Business Miles Driven (miles)

Equipment Purchases ($)

Business Meals ($)

Fill in the required fields to see your result.

Key differences

	Quarterly Estimated Tax Calculator	Business Tax Deduction Calculator
Category	Taxes	Taxes
Inputs required	5	5
Result	Quarterly Payment ($)	Total Business Deductions ($)
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 total allowable business tax deductions for home office use, vehicle mileage, equipment purchases, and business meals. Designed for freelancers, sole proprietors, and small business owners preparing Schedule C.