Massachusetts Capital Gains Tax Calculator

2026 rules

Enter your sale to see the federal tax, Massachusetts tax and what you keep.

Your numbers

Purchase price (cost basis)

Sale price

Held for

Filing status

Other income for the year (AGI before the sale)

Result

Total tax on the sale$14,000

Gain$70,000
Federal: taxed at 0% / 15% / 20%0 / 70,000 / 0
Federal long-term capital gains tax-$10,500
Net investment income tax$0
Massachusetts tax on the gain-$3,500
Total tax-$14,000
Massachusetts share of the gain5%
Combined rate on the gain20%
You keep from the sale$106,000

Massachusetts at a glance

How it's taxed: Massachusetts taxes long-term gains at 5% and short-term gains at 8.5%. The 4% surtax applies once total taxable income passes $1,107,750.
State rates: Massachusetts has a flat 9% income tax, plus a 4% surtax on high incomes.

Questions

Does Massachusetts tax capital gains?

Massachusetts taxes long-term gains at 5% and short-term gains at 8.5%. The 4% surtax applies once total taxable income passes $1,107,750.

How are long-term gains taxed federally in 2026?

At 0%, 15% or 20%, depending on your taxable income. For a single filer, the 0% rate applies up to $49,450 of taxable income and 20% above $545,500; the 3.8% NIIT applies above $200,000 of MAGI.

Do I owe Massachusetts tax if I sell after moving away?

States tax gains on stocks and funds based on where you live when you sell. Gains on real estate are taxed by the state where the property is, even if you live elsewhere.