What should I set aside for quarterly taxes?
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Calculates federal income tax + self-employment tax only. State taxes shown as a separate reminder. See full scope.
Set aside from recent income
—
This is a rough estimate — see scope below.
Your next quarterly payment
—
due —
Year-to-date summary
Estimated total annual tax
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Already paid this year
—
Remaining balance
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Calculation breakdown
Federal tax rules as of . Updated within 7 days of any material IRS rule change. Source: IRS Rev. Proc. 2025-32.
| Self-Employment Tax | |
| Net SE income (gross − expenses) | — |
| SE taxable income (× 92.35%) | — |
| Social Security tax (12.4%, up to $184,500 wage base) | — |
| Medicare tax (2.9%) | — |
| Additional Medicare tax (0.9% over threshold) | — |
| Total SE tax | — |
| Deductible portion of SE tax (50%) | — |
| Federal Income Tax | |
| Adjusted Gross Income (AGI) | — |
| Standard deduction | — |
| Taxable income | — |
| Federal income tax | — |
| Quarterly Estimate | |
| Total estimated annual tax | — |
| Payment spread | — |
| Effective rate (on gross SE income) | — |
What this calculation includes and excludes
Included ✓
- Federal income tax (2026 brackets, standard deduction)
- Self-employment tax (SS + Medicare)
- Additional Medicare tax (0.9% over $200K/$250K)
- SE tax deduction from AGI
Not included ✗
- State income tax — check your state's tax authority
- Tax credits (child credit, education, etc.)
- Alternative minimum tax (AMT)
- Local/city taxes
- S-corp or C-corp taxes
For a comprehensive tax calculation including all credits, deductions, and state taxes, use TurboTax or H&R Block. SoloTax provides a quick estimate for monthly planning — not a substitute for professional tax advice or full-service tax software.
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