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Self-employment tax and quarterly estimate
See what to set aside for self-employment tax and federal income tax, and what to pay each quarter. 2026 federal figures.
2026 federal brackets and standard deduction from the IRS. Estimate, not tax advice.
Common questions
When are estimated taxes due?
About April 15, June 15, September 15 and January 15 of the following year.
How do I avoid an underpayment penalty?
Generally pay at least what you owed last year, or 110% of it if your income was over $150,000.
Does this include state tax?
No. State and local taxes are extra.