Massachusetts Income Tax Calculator
Estimate your 2026 Massachusetts state income tax in seconds. Enter your annual income and filing status — this free Massachusetts income tax calculator applies the verified 2026 Massachusetts brackets, standard deduction, exemptions and credits. Runs entirely in your browser.
In 2026, Massachusetts applies a 5% rate, rising to 9% on income over $1,083,150. Massachusetts offers a $4,400 personal exemption per filer. Massachusetts adds a 4% surtax on income over $1,083,150 (the 2026 threshold may be inflation-adjusted upward). Excludes the paid family and medical leave payroll tax.
Massachusetts 2026 Income Tax Brackets
| Taxable income (Single) | Rate |
|---|---|
| $0 – $1,083,150 | 5% |
| Over $1,083,150 | 9% |
Marginal rates: only income inside each band is taxed at that band's rate.
Frequently Asked Questions
What is the Massachusetts income tax rate for 2026?
Massachusetts applies a 5% rate, rising to 9% on income over $1,083,150.
What deductions and exemptions does Massachusetts offer?
Massachusetts offers a $4,400 personal exemption per filer.
How accurate is this Massachusetts income tax estimate?
It is an annualized estimate: your income minus the 2026 standard deduction (and any state exemptions/credits shown), run through 2026 marginal brackets. It does not include pre-tax deductions like 401(k) contributions, itemized deductions, phaseouts, or local income taxes. Your actual liability can differ.
Sources
Tax figures verified September 2026 for tax year 2026.
Estimate only — not tax advice. This calculator annualizes your income, subtracts the 2026 standard deduction (and state personal exemptions/credits where shown), and applies 2026 marginal brackets. It does not model pre-tax deductions (401(k), health insurance), itemized deductions, credits you may qualify for, phaseouts, or local/city/county income taxes. Consult a tax professional for your situation.