Quarterly Estimated Tax Calculator
Compute your quarterly 1040-ES payment to avoid an IRS underpayment penalty.
Taxable income
$69,950
Federal income tax
$10,303
Self-employment tax
$5,652
Annual estimated tax
$15,955
Safe-harbor target: $15,955 (avoids §6654 underpayment penalty)
Q1 (Apr 15)
$4,000
Q2 (Jun 15)
$4,000
Q3 (Sep 15)
$4,000
Q4 (Jan 15 next)
$4,000
Federal-only estimate. Add state and local tax if your state collects quarterly (most do). Penalty threshold: owe less than $1,000 after withholding to skip.
About this tool
Type expected annual income (W-2 + freelance / 1099), deductions, prior-year AGI, and filing status. Get the safe-harbor payment (100%/110% of last year's tax) and the regular-installment amount split across Q1–Q4. Targets the r/freelance, r/tax, r/RealEstate 'how much do I send the IRS in April' question.
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