Massachusetts State Tax Calculator
Calculate your Massachusetts state income tax combined with federal taxes. Get accurate estimates for tax planning in Massachusetts.
Massachusetts Tax Quick Facts
Tax System
Flat Rate
Top Tax Rate
5.0%
Tax Brackets
Flat rate
Millionaire Tax
4% surtax
Calculate Your Tax
About Massachusetts Income Tax
Massachusetts uses a flat income tax rate of 5.0%, with an additional 4% surtax on income over $1 million.
- Flat 5.0% tax rate for all income levels
- Additional 4% surtax on income over $1 million
- Simple flat tax system
- No standard deduction, but various exemptions available
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