Massachusetts Retirement Calculator

Project how your savings grow, and understand which parts of your Massachusetts retirement income stay untaxed and which don't.

Does Massachusetts Tax Your Retirement Income?

It depends on the source. Massachusetts does not tax Social Security benefits, so every dollar of that income reaches your bank account without a state cut. Withdrawals from a 401(k), traditional IRA, or similar account are a different story. They're generally taxed as regular income at the state's flat 5% rate, the same rate that applies to wages.

Certain government pension income sometimes gets treated differently under Massachusetts tax rules, which is worth checking against your specific pension type. This calculator projects how your current savings and monthly contributions grow by the time you retire. USACalculator built the Massachusetts version to pair that projection with what actually matters once the money starts coming out: how much of it the state taxes and how much it doesn't.

Using the Calculator

Enter your current age, planned retirement age, existing savings, monthly contribution, and expected annual return. The dashboard shows your projected balance at retirement, an estimated monthly income based on the 4% withdrawal rule, and how much of your final balance came from contributions versus growth. Pair the result with our Massachusetts Paycheck Calculator to see how much room your current budget has for boosting contributions.

How the Calculation Works

The calculator compounds your existing savings and monthly contributions forward at your expected annual return until your retirement age, using a standard future value formula. The 4% rule then estimates a sustainable first-year withdrawal amount, a widely used starting point for retirement income planning rather than a guarantee.

Massachusetts-Specific Retirement Information

State Tax on Withdrawals

Money pulled from a 401(k), traditional IRA, or Roth IRA in Massachusetts generally faces the flat 5% state tax on the taxable portion, the same rate applied to ordinary income. Roth withdrawals that are already tax-free federally typically stay that way for state purposes too, but confirm specifics with the Massachusetts Department of Revenue for your situation.

Social Security

Massachusetts does not tax Social Security benefits at the state level. A portion of your benefit may still be federally taxable depending on your combined income, but that calculation is separate from anything the state does.

Estate Tax: A Real Consideration

This is the fact that surprises a lot of Massachusetts retirees. The state charges its own estate tax, and the exemption threshold is comparatively low, in the roughly $2 million range following a relatively recent increase from an even lower prior threshold. That means a household with a paid-off home, some retirement savings, and a life insurance policy can cross that line more easily than people assume. State law has changed this threshold before, so check the current figure directly with the Department of Revenue when doing estate planning.

No Inheritance Tax

Separate from the estate tax, Massachusetts charges no inheritance tax on what beneficiaries receive. The estate tax is paid by the estate itself before assets are distributed, not by the people who inherit them.

A Note on the $1 Million Income Surtax

Massachusetts also applies a 4% surtax on annual income above $1 million, a detail more relevant to high earners than typical retirees, but worth knowing if a large one-time withdrawal or Roth conversion could push a given year's income past that mark. For most retirees drawing standard amounts, the flat 5% rate on taxable withdrawals is what actually applies.

Why Massachusetts Residents Use This Calculator

People approaching retirement use it to see if their current savings rate is on track. Recent transplants use it to compare how their old state's tax rules on withdrawals compare to what Massachusetts charges. Anyone weighing a bigger 401(k) contribution against paying down debt runs the projection here, then checks their Debt Payoff Calculator to compare the two paths side by side.

Common Mistakes to Avoid

  • Assuming no tax on Social Security means no tax on retirement income at all. 401(k) and IRA withdrawals are still taxed.
  • Treating the 4% withdrawal rule as a fixed guarantee rather than a planning starting point.
  • Overlooking the Massachusetts estate tax because $2 million sounds like a threshold only wealthy households reach.
  • Forgetting to check whether a specific government pension gets different state tax treatment.

Frequently Asked Questions

Does Massachusetts tax retirement income?

Social Security stays untaxed, but 401(k) and IRA withdrawals are generally taxed as regular income at the flat 5% rate. Certain government pensions may be treated differently.

Is Social Security taxed in Massachusetts?

No, not at the state level. Federal tax may still apply depending on your total income.

Does Massachusetts have an estate tax?

Yes, with a comparatively low exemption threshold, roughly $2 million after a recent increase. Confirm the current figure since state law has changed it before.

Does Massachusetts have an inheritance tax?

No. There's no separate inheritance tax, though the estate tax remains an important, distinct consideration.

How does the Massachusetts estate tax threshold compare to other states?

It's comparatively low, meaning a roughly $2 million estate can trigger the tax, a level more households reach than expected.

How does no tax on Social Security help Massachusetts retirees?

Every dollar of that benefit reaches your account without a state cut, stretching that portion of income further.

Should Massachusetts residents still contribute to a 401(k)?

Yes. It still lowers taxable income now and grows tax-deferred, benefits that hold regardless of later withdrawal tax rules.

Are government pensions taxed differently in Massachusetts?

Sometimes. Certain government pension income can get different treatment than private 401(k) or IRA withdrawals, so check your specific pension type.

What is the 4% rule mentioned in the calculator?

A common guideline for withdrawing roughly 4% of your portfolio in the first retirement year, adjusting later for inflation.

Does the Massachusetts millionaire's surtax affect retirees?

Only if annual income, including large withdrawals, exceeds $1 million in a year. Most retirees fall under the flat 5% rate instead.

Related Calculators

See your current take-home pay with the Massachusetts Paycheck Calculator, or plan ahead with the Debt Payoff Calculator. Explore more free tools at USACalculator.

Sources: Massachusetts Department of Revenue. Figures reviewed for 2026. This calculator provides an estimate for planning purposes and is not financial or tax advice — consult a licensed financial advisor or tax preparer for your specific situation.