Massachusetts Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Massachusetts state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
MA State Tax: Flat 5.0%
Quarterly Payment Amount
$6,522
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,522
Apr 1 - May 31
Due: June 15, 2026
$6,522
Jun 1 - Aug 31
Due: September 15, 2026
$6,522
Sep 1 - Dec 31
Due: January 15, 2027
$6,522
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.
Massachusetts Quarterly Tax Highlights
Massachusetts has a flat 5% income tax rate
Additional 4% surtax on income over $1 million
Use Form 1-ES for quarterly payments
Massachusetts Quarterly Tax FAQ
What is Massachusetts's income tax rate?
Massachusetts has a flat 5% income tax rate. Additionally, there's a 4% surtax (called the 'Millionaire's Tax') on income exceeding $1 million, bringing the top rate to 9%.
Official References
This calculator uses current federal and Massachusetts tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Massachusetts DOR
Official Massachusetts 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.