Wisconsin Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Wisconsin state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
WI State Tax: Progressive 3.5% - 7.6%
Quarterly Payment Amount
$6,492
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,492
Apr 1 - May 31
Due: June 15, 2026
$6,492
Jun 1 - Aug 31
Due: September 15, 2026
$6,492
Sep 1 - Dec 31
Due: January 15, 2027
$6,492
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.
Wisconsin Quarterly Tax Highlights
Wisconsin has 4 tax brackets with rates from 3.54% to 7.65%
Use Form 1-ES for quarterly payments
Wisconsin Quarterly Tax FAQ
What is Wisconsin's income tax rate?
Wisconsin has a progressive income tax with 4 brackets: 3.54%, 4.65%, 5.3%, and 7.65%. The top rate applies to income over $315,310 (single).
Official References
This calculator uses current federal and Wisconsin tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Wisconsin DOR
Official Wisconsin tax authority
- IRS Self-Employment 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.