Illinois Capital Gains Tax Calculator

2026 rules

Enter your sale to see the federal tax, Illinois 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$13,965

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
Illinois tax on the gain-$3,465
Total tax-$13,965
Illinois share of the gain4.95%
Combined rate on the gain20%
You keep from the sale$106,035

Illinois at a glance

How it's taxed: Illinois taxes capital gains as ordinary income, at the same rates as wages (4.95%).
State rates: Illinois has a flat 4.95% income tax.

Questions

Does Illinois tax capital gains?

Illinois taxes capital gains as ordinary income, at the same rates as wages (4.95%).

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 Illinois 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.