Calculate your estimated quarterly tax payments for federal taxes. Designed for self-employed individuals, freelancers, and independent contractors.
SD State Tax: No State Income Tax
Quarterly Payment Amount
$5,593
Per quarter (4 remaining)
Jan 1 - Mar 31
Due: April 15, 2026
$5,593
Apr 1 - May 31
Due: June 15, 2026
$5,593
Jun 1 - Aug 31
Due: September 15, 2026
$5,593
Sep 1 - Dec 31
Due: January 15, 2027
$5,593
Don't miss your quarterly payments!
The IRS may charge penalties and interest if you underpay or pay late. Consider setting up automatic payments or calendar reminders.
South Dakota has NO state income tax
Only federal taxes apply
Popular state for retirees and businesses
No, South Dakota has no state income tax. Self-employed individuals only pay federal income tax and self-employment tax.
This calculator uses current federal and South Dakota tax rates and schedules:
Federal quarterly tax requirements and Form 1040-ES
South Dakota tax authority (no income tax)
Social Security and Medicare tax information
This calculator provides estimates based on 2026 tax rates. Your actual tax liability may vary based on deductions, credits, and other factors. Consult a tax professional for personalized advice.