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The Massachusetts Paycheck Calculator estimates your take-home pay after federal income taxes, Massachusetts state income tax, the millionaire surtax, FICA contributions, and Paid Family and Medical Leave (PFML) deductions. Massachusetts imposes a flat 5.0% income tax on most types of earned income. However, beginning in 2023, voters approved a 4% surtax on annual income exceeding $1,000,000 (Fair Share Amendment), creating an effective top rate of 9% on income above that threshold. This surtax applies to all income over $1 million, not just wages, making Massachusetts one of the highest-tax states for high earners. Massachusetts also requires employers and employees to contribute to the Paid Family and Medical Leave (PFML) program. The total contribution rate is approximately 0.88% of eligible wages, split between employer and employee. The employee share for medical leave is approximately 0.318% of wages, while family leave contributions are primarily employer-paid. The PFML program provides up to 26 weeks of paid medical leave and 12 weeks of paid family leave, funded through these payroll contributions. Massachusetts does not have a traditional standard deduction but instead uses a system of personal exemptions and deductions. The personal exemption is $4,400 for single filers and $8,800 for married filing jointly. Massachusetts also allows a no-tax status for very low-income filers and provides various credits including the earned income tax credit (equal to 40% of the federal EITC). The state uses its own Form 1 for annual filing and Form M-4 for withholding elections. This calculator serves the diverse Massachusetts workforce including technology (Route 128 corridor, Cambridge biotech), healthcare (Mass General Brigham, Beth Israel Lahey Health), education (Harvard, MIT, and over 100 colleges and universities), financial services, defense (Raytheon, General Dynamics), and the fishing industry. Massachusetts is consistently ranked among the highest-income states in the nation, and the combination of the flat tax, millionaire surtax, and PFML creates a paycheck structure that warrants careful calculation.
Net Pay = Gross Pay - Federal Tax - Massachusetts State Tax (5.0% flat + 4% surtax over $1M) - PFML (~0.318% employee share) - FICA Massachusetts State Tax (2024): Flat Rate: 5.0% on all taxable income Millionaire Surtax: Additional 4% on income over $1,000,000 (total 9%) Personal Exemption: $4,400 single | $8,800 MFJ Dependent Deduction: $1,000 per dependent PFML: Total ~0.88% (employee medical leave share ~0.318%) FICA: 6.2% SS + 1.45% Medicare + 0.9% over $200K
- 1Enter your gross pay and pay frequency. Massachusetts has one of the most highly educated and highest-earning workforces in the nation. Major employers include Mass General Brigham, Harvard University, MIT, Raytheon Technologies, Fidelity Investments, State Street, and the extensive biotech and pharmaceutical cluster in Cambridge and along Route 128. The state also has significant manufacturing, fishing, and tourism industries.
- 2Federal income tax is calculated based on W-4 elections using 2024 federal brackets from 10% to 37%. Pre-tax deductions such as 401(k) contributions and health insurance premiums reduce federal taxable income.
- 3Massachusetts state income tax is calculated at the flat 5.0% rate on Massachusetts taxable income. The state starts with federal gross income and applies Massachusetts-specific adjustments. The personal exemption of $4,400 (single) or $8,800 (MFJ) reduces taxable income, along with dependent deductions of $1,000 each. If your total annual income exceeds $1,000,000, an additional 4% surtax applies to the amount above the threshold, resulting in a 9% effective rate on that portion.
- 4Paid Family and Medical Leave (PFML) contributions are deducted from your paycheck. The total PFML rate is approximately 0.88% of eligible wages, with the employee responsible for approximately 0.318% for medical leave. Family leave contributions are primarily employer-paid but may include a small employee share depending on employer size. PFML provides up to 26 weeks of paid medical leave and 12 weeks of paid family leave when needed.
- 5FICA taxes are calculated at standard federal rates: 6.2% for Social Security on wages up to $168,600 and 1.45% for Medicare on all wages, plus an additional 0.9% Medicare surtax on wages exceeding $200,000.
- 6The calculator totals all deductions including federal tax, state tax, PFML, and FICA. Massachusetts does not impose local income taxes, so the state flat tax plus PFML are the only state-level paycheck deductions.
- 7Review your results and verify withholding using Massachusetts Form M-4. Pay particular attention to the PFML deduction, which is a relatively new addition to Massachusetts paychecks (effective 2021). If your annual income approaches or exceeds $1,000,000, ensure that the 4% surtax is accounted for in your annual tax planning, as it may not be fully captured in paycheck withholding.
Gross biweekly: $4,038.46. Federal withholding: ~$440. Massachusetts tax: 5.0% x ($105,000 - $4,400) = $5,030/yr or $193.46/period. PFML: ~0.318% x $4,038.46 = $12.84. FICA: $250.38 + $58.56 = $308.94. Total deductions: ~$955.24. Net pay: ~$3,083.22.
Gross biweekly: $3,153.85. Federal withholding: ~$168. Massachusetts tax: 5.0% x ($82,000 - $8,800 - $1,000) = $3,610/yr or $138.85/period. PFML: ~$10.03. FICA: $195.54 + $45.73 = $241.27. Total deductions: ~$558.15. Net pay: ~$2,595.70.
Gross semi-monthly: $50,000. Federal withholding: ~$14,500. Massachusetts tax: 5.0% on ($1,200,000 - $4,400) = $59,780 + 4% surtax on $200,000 = $8,000. Total MA tax: $67,780/yr or $2,824.17/period. PFML: ~$159. FICA: SS capped at $168,600 + Medicare $17,400/yr + Additional Medicare $9,000/yr. Total FICA effective ~$1,100/period. Total deductions: ~$18,583. Net pay: ~$31,417.
Gross semi-monthly: $2,416.67. Federal withholding: ~$130. Massachusetts tax: 5.0% x ($58,000 - $4,400) = $2,680/yr or $111.67/period. PFML: ~$7.69. FICA: $149.83 + $35.04 = $184.87. Total deductions: ~$434.23. Net pay: ~$1,982.44.
Technology workers along Route 128 and in the Cambridge-Kendall Square biotech hub use this calculator to estimate take-home pay. Companies like Moderna, Biogen, Vertex Pharmaceuticals, and hundreds of startups employ thousands of scientists, engineers, and business professionals. Many of these workers earn salaries that push into the higher federal brackets, and the flat 5% Massachusetts tax plus PFML creates a predictable but significant state burden.
Healthcare professionals at Mass General Brigham (formerly Partners HealthCare), Beth Israel Lahey Health, Boston Medical Center, and other major hospital systems use this calculator. Massachusetts is home to some of the nation's most prestigious medical institutions, and healthcare workers from nurses to surgeons rely on accurate paycheck estimates for financial planning.
University and college employees across the state's 100-plus higher education institutions use this calculator. Harvard, MIT, Boston University, Northeastern, Tufts, and dozens of other schools employ tens of thousands of faculty and staff. The education sector is a cornerstone of the Massachusetts economy, and these workers need to understand their flat tax plus PFML obligations.
Financial services professionals in Boston's financial district, including workers at Fidelity Investments, State Street Corporation, and Wellington Management, use this calculator. High earners in this sector may be subject to the millionaire surtax, making accurate tax estimation especially important for compensation planning and quarterly tax estimates.
New Hampshire Residents Working in Massachusetts
New Hampshire residents who commute to Massachusetts jobs must file a Massachusetts non-resident return and pay 5% tax on their Massachusetts-source income. This has been a contentious interstate issue, particularly since the pandemic when many workers began working remotely from New Hampshire for Massachusetts employers. Massachusetts attempted to continue taxing remote workers during COVID, leading to a legal challenge by New Hampshire that the U.S. Supreme Court declined to hear.
Millionaire Surtax and One-Time Income Events
The 4% surtax applies to total annual income exceeding $1,000,000, which means a one-time event like selling a business, exercising stock options, or selling a home with large capital gains could push a taxpayer over the threshold in a single year. A Massachusetts resident who sells a business for a $2 million gain would owe an additional $40,000 in surtax on that transaction alone. Tax planning around timing of income realization is critical for those near the threshold.
PFML for Self-Employed Workers
Self-employed individuals in Massachusetts can opt into the PFML program voluntarily. If they opt in, they pay both the employer and employee shares of the contribution (approximately 0.88% total). Once opted in, they must remain in the program for at least three years. Self-employed workers who opt in gain access to the same paid leave benefits as traditional employees.
| Component | Rate / Amount | Notes |
|---|---|---|
| Flat Income Tax Rate | 5.0% | On all taxable income |
| Millionaire Surtax | Additional 4% | On income over $1,000,000 (9% total) |
| Personal Exemption (Single) | $4,400 | Reduces taxable income |
| Personal Exemption (MFJ) | $8,800 | Reduces taxable income |
| Dependent Deduction | $1,000 each | Per qualifying dependent |
| PFML Employee Share | ~0.318% | Medical leave portion |
| PFML Total Rate | ~0.88% | Split between employer and employee |
What is the Massachusetts millionaire surtax?
The Fair Share Amendment, approved by voters in November 2022, imposes an additional 4% tax on annual taxable income exceeding $1,000,000. This surtax is on top of the standard 5% flat rate, creating a 9% effective rate on income above the threshold. The $1 million threshold is adjusted annually for inflation. The surtax applies to all income, not just wages.
What is PFML and how much is deducted?
Paid Family and Medical Leave (PFML) is a state-mandated program that provides paid leave benefits for qualifying medical and family situations. The total contribution rate is approximately 0.88% of eligible wages. The employee share for medical leave is approximately 0.318%. Family leave contributions are primarily employer-paid. The program provides up to 26 weeks of paid medical leave and 12 weeks of paid family leave.
Does Massachusetts have local income taxes?
No. Massachusetts does not impose any local or city income taxes. The 5.0% flat rate (plus the millionaire surtax if applicable) and PFML are the only state-level paycheck deductions beyond federal taxes and FICA.
How does Massachusetts compare to New Hampshire?
New Hampshire has no income tax on wages, making it significantly more favorable for wage earners. Many workers in the northern Boston suburbs live in New Hampshire and commute to Massachusetts jobs. However, Massachusetts taxes wages earned in the state by non-residents, so New Hampshire residents working in Massachusetts must file a Massachusetts non-resident return and pay the 5% tax on their Massachusetts-source income.
Does Massachusetts tax retirement income?
Massachusetts generally taxes most retirement income at 5%, including distributions from 401(k) plans and traditional IRAs. However, Massachusetts public pension income (state and local government pensions) is exempt from Massachusetts tax. Social Security benefits are exempt from Massachusetts tax. The millionaire surtax can also apply to retirement income if total income exceeds $1 million.
Is the flat tax rate ever going to change?
Massachusetts has a long history of flat income tax rates. The rate has gradually decreased from 5.85% in 1999 to 5.0% by 2020. There have been periodic ballot initiatives to adopt a graduated income tax, but voters rejected them until the 2022 millionaire surtax, which effectively created a two-tier system while keeping the flat rate structure for most taxpayers.
Pro Tip
If your annual income is near $1,000,000, pay careful attention to the surtax threshold. The 4% surtax applies only to income above $1 million, but it can create a significant marginal rate increase. Consider maximizing pre-tax retirement contributions, HSA contributions, and other deductions that reduce AGI below the threshold. For example, a $23,000 401(k) contribution could save $920 in surtax for someone just over the threshold. Also remember that PFML contributions reduce your paycheck but provide valuable paid leave protection that many states do not offer.
Did you know?
Massachusetts has been called Taxachusetts for decades, though its actual tax burden has decreased significantly over time. The flat 5% rate is lower than many states with graduated systems. However, the 2022 millionaire surtax made Massachusetts the first state to adopt a significant income tax increase through a ballot initiative in modern history. The surtax revenue is constitutionally dedicated to education and transportation, generating over $1.8 billion in its first year, far exceeding initial projections of $1 billion.