WA TaxCalc

Free Washington State
Business Calculators

Accurate, up-to-date tools for WA business taxes, payroll, and compliance. Built in Seattle. Updated for 2026 rates.

No signup required. 100% free.

Most Popular

WA B&O Tax Calculator

Calculate your Washington State Business & Occupation tax across all classifications. Includes Small Business Credit and city-level rates.

656K+ WA businesses

Updated 2026

Seattle Minimum Wage Calculator

Calculate true labor costs at Seattle's $21.30/hr minimum wage (2026). Includes overtime, sick leave accrual, and annual cost per employee.

50K+ Seattle employers

⚠️ Misinformation Alert

Seattle Tip Credit Guide

Important: Seattle eliminated its tip credit in January 2025. See the real labor cost for tipped employees and plan accordingly.

5K+ Seattle restaurants

New 2026 Rates

WA Paid Family & Medical Leave Calculator

Calculate employer and employee PFML contributions with the new 2026 rate (1.13%). Handles <50 and ≥50 employee splits.

200K+ WA employers

WA Cares Fund Calculator

Calculate WA Cares long-term care payroll deductions. Includes exemption tracking and combined PFML + WA Cares view.

200K+ WA employers

First Online Tool

WA Workers' Comp Calculator

Look up your risk class code and estimate workers' compensation premiums. Replaces L&I's PDF-only rate tables.

200K+ WA employers

Why We Built This

Washington State has one of the most complex tax and compliance landscapes for small businesses in the country — B&O gross receipts tax, PFML, WA Cares, Secure Scheduling, and the highest city minimum wage in the US.

Yet the state's own calculators are broken, outdated, or simply don't exist. We're filling that gap with free, accurate, modern tools — updated every time rates change.

2026 Quick Reference

Tax / Fee2026 RateWho Pays
WA B&O Tax (Service)1.5% – 2.1%All WA businesses
Seattle B&O (Service)0.658%Seattle businesses > $2M
PFML1.13%Employers + employees
WA Cares0.58%Employees
Seattle Minimum Wage$21.30/hrAll Seattle employers