Quarterly Estimated Tax Calculator
Project your 1040-ES payments for the rest of the year so you avoid an underpayment penalty.
Estimated quarterly taxes
How it works
- Estimate full-year federal income tax using 2025 brackets and your filing status.
- Add self-employment tax (15.3%) on 92.35% of net SE earnings.
- Subtract YTD withholding, then divide the balance across remaining quarterly due dates.
Assumptions
- Federal only — no state estimated tax.
- Standard deduction; no itemized or QBI adjustments.
- Due dates: Apr 15, Jun 15, Sep 15, Jan 15.
Frequently asked questions
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These calculators provide estimates for general planning only and are not tax, legal, or financial advice. Always verify with a licensed CPA for your specific situation.