WA Tax Calculator 2025 | Estimate 2026 Washington State & Federal Income Tax

The Washington State Tax Calculator (WA Tax Calculator) is updated for the 2026/27 tax year and uses the latest federal and state tax tables. You can calculate your 2026/27 Washington state tax and federal income tax quickly and accurately using this free online calculator.

Enter your annual income, filing status, and optional deductions to estimate your Washington state income tax, federal tax, FICA, and Medicare contributions for 2026. The calculator helps you compare salary offers, estimate tax refunds, and forecast net take-home pay for any filing scenario.

Quick Washington Tax Calculator

Use the Quick Calculation mode to instantly estimate your total 2026/27 state and federal tax liability. For more detailed results, expand the Income, Expenses, Tax Status, or Local Taxes tabs to customize your calculation.

Washington Tax Calculator [ Federal & State ]
Washington Tax Calculator - Quick Tax Estimator
Choose a different State
Tax Year
Filing Status:
Gross Income (F1040 L7-21)		$
*** Please Enter your Annual Gross income.
*** Please Enter your Gross income.
Gross Expenses (F1040 L23-35)		$
		Add Itemized Deductions? $
FICA Exempt Income		$
Tax State
Your Income in detail (F1040 L7-21)
	Wages, salaries, tips, etc.	$
	Taxable interest	$
	Taxable interest	$
	Ordinary dividends	$
	Taxable refunds, credits, offsets etc.	$
	Alimony received	$
	Business income or loss	$
	Capital gain or loss	$
	Other gains or losses	$
	IRA distributions (Taxable)	$
	Pensions and annuities (Taxable)	$
	Rental real estate, royalties etc.	$
	Farm income or loss	$
	Unemployment compensation	$
	Social security benefits¹	$
	Other income	$
	Gross Income	$
¹ Line 20a not included in Gross income, See Social Security Benefits calculation for calculation on line 20b as part of Taxable income
Your Expenses in detail (F1040 L23-35)
	Educator expenses	$
	Certain business expenses of reservists etc	$
	Health savings account deduction.	$
	Moving expenses	$
	Deductible part of self-employment tax	$
	Self-employed SEP, SIMPLE etc.	$
	Self-employed health insurance deduction	$
	Penalty on early withdrawal of savings	$
	Alimony paid b Recipient's SSN	$
	IRA deduction	$
	Student loan interest deduction	$
	Tuition and fees	$
	Domestic production activities deduction	$
	Gross Expenses	$
Your Tax Status & Family [Please select all that apply]
I am between 50 and 65 years of age I am 65 years of age or older My spouse is 65 years of age or older I am blind My spouse is blind
Deaf, Blind or disabled¹
Qualified Disabled Veterans
Number of your dependants¹
Number of children for Tax Credit claim
¹ Do not include yourself or your spouse.
Washington County/Local Tax Options
	Add Local/County Tax in Washington? %
529 Plan Contributions		$
What is the "Washington County/Local Tax Options" tab for?
There are a lot of different tax systems in the USA and this can often make it difficult to cater for all local and county taxes. This tab allows you to enter your local / county tax rate in Washington manually so you can have a more refined tax calculation / forecast for your tax return in Washington The 529 Plan Contributions allows tax deductions in certain states, currently the Tax Form Calculator only applies this tax credit in Indiana, please contact us if your State provides 529 Plan Contributions tax credits and we will integrate it into this tool.
IRA and 401K Calculator
Gross 401K Withholding		$
Gross IRA Deductions		$
Withholdings Calculator
Gross Federal Withholding		$
Gross Washington State Withholding		$
Gross Medicare Withholding		$
Gross Social Security Withholding		$
Gross Tax-Deferred Retirement Plan		$
Gross Cafeteria or other pre-tax plan		$
Gross Earned Income Tax Credit		$
What is the Withholdings Calculator tab for?
The Withholdings inputs allow you to enter funds that you have already kept to one side for payment of your annual Washington taxes and/or your Federal Taxes. This is a useful section if you are looking to save money to pay your annual tax return and are using the Washington Tax Calculator to estimate your Washington state taxes and Federal taxes.

Choose Type of Calculation:

How to Calculate Income Tax in Washington for 2026/27

Follow these simple steps to calculate your Washington income tax:

Enter your gross annual income and any deductions.
Select your filing status (single, married, head of household, etc.).
Click Calculate to view your estimated tax, deductions, and take-home pay.

Advanced Washington Tax Calculator Options

Use the advanced tabs to include:

Local or county taxes within Washington.
Itemized deductions and 529 plan contributions.
IRA and 401(k) contributions.
Dependents and child tax credits.

2026/27 Washington Tax Refund Estimator

The WA Tax Calculator automatically applies the latest 2026/27 federal and Washington state tax rates to estimate your total tax due and potential refund. Subtract your total withholdings from the calculated tax liability to view your estimated refund or balance due.

Recent Updates to the Washington State Tax Calculator

Updated for 2026/27 federal and Washington state tax rates.
Enhanced Medicare and Social Security integration before federal tax calculation.
Added local and county tax customization for Washington.
Refined IRA, 401(k), and pre-tax plan options for accuracy.

Additional Resources

Important Notice

This Washington tax calculator aims to balance transparency and ease of use but is provided for illustration purposes only. Always verify your return with official forms or a qualified tax professional.