Estimated Tax Calculator
Calculate your quarterly self-employment tax payments for 2026, including SE tax, income tax deductions, and due dates.
Income
Deductions
Quarterly Estimated Payment
$3,494
per quarter
Net SE Income
$68,000
SE Tax (15.3%)
$9,608
Income Tax
$4,369
Total Tax Liability
$13,977
Effective Rate
20.6%
Annual Take-Home
$54,023
2026 Quarterly Due Dates
Due: April 15, 2026
$3,494
Due: June 16, 2026
$3,494
Due: September 15, 2026
$3,494
Due: January 15, 2027
$3,494
Safe Harbor Rule
To avoid an underpayment penalty, pay either 90% of this year's tax liability or 100% of last year's tax (110% if prior-year AGI exceeded $150,000). Paying at least this amount quarterly keeps you penalty-free.
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