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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

Quick Tax Calculation Detailed Tax Calculation
Filing Information Quick Inputs Income Details Deductions & Adjustments State Options IRA, Pensions & Annuities Withholdings

Filing Information

Set your filing status, dependants and personal details so the calculator can apply the correct Federal and State rules.

Quick Inputs

Provide a summary of your income and deductions to calculate your Federal and State tax position quickly.

Income Details

Enter the specific types of income that contribute to your Federal Adjusted Gross Income.

For Schedule B

Deductions & Adjustments

Deductions & Adjustments

Include any adjustments to income that reduce your Federal/State Adjusted Gross Income.

State Options

Some states apply local income taxes in addition to State tax. Enter your local rate if it applies.

IRA, Pensions & Annuities

Enter the details for your retirement contributions and income sources, which are used to compute values on **Form 8606**. This includes contributions to traditional IRAs, 529 savings plans, and rollovers, as well as income from rental properties, farms, unemployment, and other sources. Additionally, provide information on any disaster-related distributions or IRA rollovers you’ve made, and enter your capital gain distributions if applicable. These inputs are essential for accurately calculating your total retirement-related income and determining your tax liabilities or benefits, specifically regarding IRA deductions and distributions as outlined in **Form 8606**.

Withholdings

Enter withheld amounts to calculate refund or balance due.

How to Calculate Income Tax in Massachusetts for 2026/27

  1. Enter gross income and any adjustments.
  2. Choose filing status.
  3. 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.

529 plan—MA tax treatment

Contributions may have limited state deduction/benefit; earnings grow tax-advantaged. Enter eligible amounts where applicable.

I moved into/out of MA mid-year

Use part-year settings and apportion income to the MA period.

Which pre-tax items lower MA taxable wages?

401(k), HSA/FSA, certain cafeteria plan premiums typically reduce MA wages; mirror your payroll setup.

HSA eligibility reminder

Only with HDHP coverage; add your HSA to reflect MA and federal wage reduction.

Where can I change filing status?

Use the Massachusetts calculator to switch Single/MFJ/MFS/HoH and re-compute MA liability.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.