Contractor Tax Estimator: Plan Self-Employment Tax and Quarterly Payments

Use the Contractor Tax Estimator to create an educational estimate of self-employment tax, income tax, QBI, and quarterly payment amounts for 2026.

How to use this resource

The tool is for self-employment income and uses assumptions that may not apply to every business structure or state. Rental income, partnerships, S corporations, credits, and deductions can change the result. Confirm filing positions and payment obligations with a qualified tax professional.

Price a contractor bid

Plan the next step

Explore the linked calculators and guides to compare your assumptions, organize a turnover, or review a related rental-property question.

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