Washington tax calculators for business owners

Run your numbers before the big decisions.

Free calculators for the three Washington taxes that matter most to owners, built on official IRS and Washington figures.

Selling your business?

Business Sale
Calculator

What you'd keep after federal and Washington taxes.

Estimate your net proceeds

Planning your estate?

Estate Tax
Calculator

What Washington and federal estate tax could cost your family.

Estimate your estate tax
$1M

Expecting a big income year?

Millionaires' Tax
Calculator

Whether Washington's new 9.9% income tax would apply to you.

Estimate your income tax

How the three taxes fit together

Each tax lands at a different moment in an owner's life. Planning for one often changes the others.

1

While you're building

Washington's 9.9% income tax, from 2028

Applies to household income above $1 million in a year, such as a strong distribution year.

Millionaires' tax calculator
2

When you sell

Washington's capital gains tax: 7% and 9.9%

Applies to the gain on a sale, alongside federal tax, unless a deduction or exemption applies.

Business sale calculator
3

When you pass it on

Washington's estate tax: 10% to 20%

Applies to estates above $3,000,000. It's due nine months after death, often before a business can be sold.

Estate tax calculator
The 4-Minute Reckoning
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In four minutes, the Reckoning shows where your plan has gaps, so you know which numbers to run first.
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These calculators are provided by Walters Wealth Management for general educational purposes only. They produce simplified, hypothetical estimates based on the amounts you enter and on figures published by the Internal Revenue Service, the Washington State Department of Revenue, and the Washington Legislature. Actual results may differ materially.

Nothing on this page is tax, legal, or investment advice. Please consult a qualified tax professional or attorney before making decisions.