What is the massachusetts income tax calculator?
In short
Massachusetts levies a flat 5% income tax on top of federal income tax and FICA. On a $75,000 income, a single filer in Massachusetts owes roughly $16,353 in total tax — about $7,670 federal, $2,945 Massachusetts state tax, and $5,738 FICA — leaving $58,648 take-home (a 21.8% effective rate).
This Massachusetts income tax calculator estimates your total 2024 tax burden. It applies federal income tax brackets, FICA (6.2% Social Security + 1.45% Medicare), and Massachusetts's state income tax (a flat 5% income tax), using the standard deduction or your itemized amount. Massachusetts adds a 4% surtax on income above $1 million on top of the 5% flat rate.
How to use this calculator
- 1Enter your annual gross income.
- 2Choose your filing status (single, married, or head of household).
- 3Massachusetts is pre-selected as your state — change it to compare other states.
- 4Enter pre-tax deductions (401k, HSA) and any itemized deductions.
- 5Read your federal tax, state tax, FICA, total tax, and effective rate.
The formula
- AGI
- — Adjusted gross income — gross minus pre-tax deductions
- taxable income
- — AGI minus the standard or itemized deduction
- federal tax
- — Federal income tax from progressive 2024 brackets
- MA tax
- — Massachusetts state income tax — a flat 5% income tax
- FICA
- — Social Security (6.2%) + Medicare (1.45%) payroll taxes
Worked example
The scenario
Single filer earning $75,000/year in Massachusetts, taking the standard deduction, no pre-tax deductions.
The result
Federal income tax: ~$7,670. Massachusetts state tax: ~$2,945. FICA: ~$5,738. Total tax: ~$16,353 — leaving $58,648 take-home, an effective tax rate of 21.8%.
Common use cases
- Estimating your total tax bill before filing in Massachusetts
- Comparing Massachusetts's tax burden against other states before relocating
- Seeing how pre-tax 401(k) or HSA contributions lower your tax
- Understanding your effective vs. marginal tax rate
Limitations & assumptions
- Local/city income taxes are not included.
- State-specific credits, exemptions, and deductions are simplified; brackets approximate current law.
- Federal calculation uses 2024 brackets and the standard deduction unless you enter itemized amounts.
- This is an estimate, not tax advice; verify against your actual return.
Frequently asked questions
How much is $75,000 taxed in Massachusetts?
How much is $50,000 taxed in Massachusetts?
How much is $100,000 taxed in Massachusetts?
What is the Massachusetts state income tax rate?
What's the difference between marginal and effective tax rate in Massachusetts?
Disclaimer: KalkWise calculators are provided for general informational and educational purposes only and do not constitute financial, investment, tax, or legal advice. Results are estimates based on the figures you enter and the assumptions described above. Actual outcomes will vary. Consult a qualified professional before making financial decisions.