All states

Massachusetts

Flat rate
Filing status
Income
Pre-tax adjustments
Itemized deductions
Household

Estimated taxes

Tax year 2025
Gross income$0
Total tax$0
Take-home pay$0

Overall effective rate: 0.0%

Federal

Adjusted gross income
$0
Standard deduction
$15,000
Taxable income
$0
Tax before credits
$0
Credits
- $0
Federal income tax
$0
Effective / marginal rate
0.0% / 0.0%

FICA

Social Security
$0
Medicare
$0
FICA total
$0

State — Massachusetts (MA)

State taxable income
$0
State income tax
$0
State + local tax
$0
Effective / marginal rate
0.0% / 0.0%

Notes

  • Massachusetts levies a single flat rate of 5% (2025) on Massachusetts taxable income — no brackets for ordinary income.
  • A 4% surtax (the 'millionaires tax' / Fair Share Amendment) applies on top of the 5% to the portion of taxable income above $1,083,150 (2025), so that slice is taxed at a combined 9%. The threshold is indexed to inflation ($1,000,000 in 2023, $1,053,750 in 2024, $1,083,150 in 2025).
  • The tax base is FEDERAL AGI (used as a proxy for Massachusetts gross income), not federal taxable income; Massachusetts does NOT allow the federal standard deduction or federal itemized deductions.
  • Massachusetts personal exemption by status ($4,400 single/married filing separately, $6,800 head of household, $8,800 married filing jointly) plus a $1,000 dependent exemption per dependent — this is the only subtraction modelled.
  • Massachusetts' many specific deductions (rent, commuter, Social Security/Medicare withholding, etc.) and its separate Part A (interest/dividends) and Part C (long-term capital gains) income classes — all also taxed at 5% — are NOT modelled because the shared input has no fields for them.
  • The extra exemptions for taxpayers age 65+ or legally blind are NOT modelled because the shared input carries no age or blindness fields.

Sources

Disclaimer: This is an informational estimate for the 2025 tax year only and is provided on a best-effort basis. It is not tax, legal, investment, or financial advice. Results are approximate, may be inaccurate or out of date, and may not reflect all credits, deductions, phase-outs, or local rules. This site assumes no liability for any decisions made or outcomes resulting from its use. Consult a qualified tax professional before filing or making any decisions.