Quarterly Estimated Tax Calculator
2026Calculate quarterly estimated tax payments for self-employed and freelancers. Includes safe harbor calculation to avoid penalties.
Total Estimated Tax
$25,745.30
Quarterly Payment
$6,436.32
Safe Harbor Amount
$25,745.30
Quarterly Payment Schedule
| Q1 — Due April 15 | $6,436.32 |
| Q2 — Due June 15 | $6,436.32 |
| Q3 — Due September 15 | $6,436.32 |
| Q4 — Due January 15 (next year) | $6,436.32 |
Tax Calculation
| Net Self-Employment Income | $100,000.00 |
| Self-Employment Tax | $14,129.55 |
| 50% SE Tax Deduction | - $7,064.78 |
| Adjusted Gross Income | $92,935.23 |
| Standard Deduction | - $16,100.00 |
| Taxable Income | $76,835.23 |
| Federal Income Tax | $11,615.75 |
| Total Estimated Tax | $25,745.30 |
| Remaining Tax Due | $25,745.30 |
Safe Harbor & Penalty Risk
| Safe Harbor (100% of prior year) | $25,745.30 |
| Prior Year Tax | Not provided |
| Penalty Risk | At Risk — pay estimated taxes to avoid underpayment penalty |
Use the Quarterly Estimated Tax Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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