TAX FATHOMU.S. federal tax, explained

U.S. tax rules, read at the source

Every column answers one question and cites the IRS source it rests on.

Self-Employed Deadlines

Do Freelancers Have to Pay Quarterly Estimated Tax? (2026)

Freelancers generally owe quarterly estimated tax once they expect to owe $1,000 or more for 2026. Here's the threshold, safe harbors, and due dates.

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