Quarterly Tax Estimator
Enter your expected annual income and see exactly what to pay each quarter. Includes safe harbor calculation to avoid underpayment penalties.
Revenue minus business expenses (Schedule C profit)
Line 24 of your 1040. Used for safe harbor calculation. Enter 0 if this is your first year.
Income that already has taxes withheld. Enter 0 if fully self-employed.
Federal taxes already withheld from W-2 wages this year.
Disclaimer: This calculator provides estimates for informational purposes only and is not tax advice. Actual tax liability depends on deductions, credits, and other factors. Consult a CPA or tax professional for your specific situation.