Quarterly Estimated Tax Calculator

Estimate federal income tax and self-employment tax reserves, then split the result into quarterly payment targets for freelancers, creators, and independent contractors.

Updated April 2026 - Quarterly tax planning

Expected Self-Employment Income

Business Expenses

Federal Income Tax Rate

W-2 Withholding Already Expected

Quarterly Payments Already Made

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Who should use this estimated tax calculator?

This page is designed for anyone with income that does not have enough tax withheld automatically: freelancers, agency owners, online sellers, gig workers, and mixed W-2 plus 1099 households. It gives you a practical reserve target and a per-quarter payment estimate instead of waiting for a surprise tax bill.