Free Massachusetts Tax Calculator
Calculate your 2026 Massachusetts take-home pay after 5% flat state tax (9% surtax over $1M), federal tax & FICA. No sign-up.
Last reviewed: January 2026 · Tax data verified against IRS Publication 15-T & state revenue departments
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How the Free Massachusetts Tax Calculator Works
Massachusetts charges a flat 5% income tax rate, with a 9% surtax on income over $1,000,000. For most earners, it's a straightforward 5% — no brackets to figure out. The state standard deduction is $4,400 (single) or $8,800 (married). On a $100,000 salary after the standard deduction, you'd pay about $4,780 in state tax. Simple enough.
The 9% surtax kicks in on taxable income above $1,000,000, making the effective top marginal rate 9% on that excess income. If you're earning seven figures in Massachusetts, that surtax is significant — it turns a $1.5M income into roughly $70,000 more in state tax compared to someone just under the threshold.
On top of state tax, you've got federal progressive brackets with the standard deduction, plus FICA at 7.65% combined. 401(k) contributions reduce taxable income at both the federal and state level, which is especially valuable here since Massachusetts doesn't allow many other state-level deductions.
Massachusetts doesn't tax Social Security benefits. Property taxes average about 1.23%, and the combined sales tax is 6.25% — one of the lower state sales tax rates. No local sales tax add-ons either. Compare MA to other states to see if the tax picture works for you.
Free Massachusetts Tax Calculator — Key Rates & Data for 2026
MA Flat Tax Rate
5%
MA Surtax (over $1M)
9%
MA Standard Deduction (Single)
$4,400
MA Avg Property Tax Rate
~1.23%
MA State Sales Tax
6.25%
Massachusetts Tax Calculator FAQ
How much is Massachusetts state income tax in 2026?
Does Massachusetts have a standard deduction?
What is the Massachusetts millionaire's tax?
Does Massachusetts tax Social Security benefits?
How does the overall tax burden in Massachusetts compare?
Is Massachusetts tax-friendly for retirees?
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