Massachusetts Tax Calculator
The Massachusetts (MA) Tax Calculator is updated for the 2026/27 tax year. Massachusetts applies a flat state income tax. This tool estimates MA state tax plus federal income tax, Social Security, and Medicare to show take-home pay.
Quick Access Tools
Quick Massachusetts Tax Calculator
Enter income and filing status, then select Calculate. Use tabs to add itemized details, dependents, retirement deferrals, and withholdings. Massachusetts does not levy a local income tax.
Input key: F Used in Federal tax calculations S Used in State tax calculations
How to Calculate Income Tax in Massachusetts for 2026/27
- Enter gross income and any adjustments.
- Choose filing status.
- Click Calculate to view MA state tax, federal taxes, FICA/Medicare, and take-home pay.
Advanced Options
- Model IRA/401(k) deferrals and other pre-tax benefits.
- Enter withholdings (federal, state, Medicare, Social Security) to project refund or balance.
- Include dependents and common MA credits where applicable.
Related Calculators
Additional Resources
Frequently Asked Questions
Quick answers for Massachusetts filers: flat state tax, withholdings, credits, and amended return basics.
Are there MA local options I should add?
No local wage tax; focus on deductions and PFML where relevant.
Credit for taxes paid to another state
MA offers a credit to mitigate double taxation when conditions are met; enable it for cross-border situations.
Can I model the MA surtax explicitly?
Yes—high incomes trigger it automatically when you set income above the threshold for 2026.
Part-year + surtax edge cases
If crossing the surtax threshold only part-year, apportion income and test both periods.
Monthly table looks too smooth
We show a clean 1/12 split; employer calendars/rounding cause small differences per month.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.