Washington Capital Gains Tax Calculator

2026 rules

Enter your sale to see the federal tax, Washington 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$10,500

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
Washington tax on the gain$0
Total tax-$10,500
Washington share of the gain0%
Combined rate on the gain15%
You keep from the sale$109,500

Washington at a glance

How it's taxed: Washington taxes long-term gains above a standard deduction ($278,000 for 2025, indexed yearly) at 7%, and taxable gains above $1 million at 9.9%. Real estate and retirement accounts are exempt.
State rates: Washington has no income tax on wages; it taxes only large long-term capital gains.

Questions

Does Washington tax capital gains?

Washington taxes long-term gains above a standard deduction ($278,000 for 2025, indexed yearly) at 7%, and taxable gains above $1 million at 9.9%. Real estate and retirement accounts are exempt.

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 Washington 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.