Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.
Wa Sales Tax by Washington State Department of Revenue






240+ iOS apps curated and reviewed
With an average user rating of 3.8★, the tax rate category is one of the App Store's strongest. Browse all 240+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Aug 2026 | |
| 2 | Free | 4.8★ (938K) | Yes | No | Aug 2026 | |
| 3 | Free | — | Yes | No | Aug 2026 | |
| 4 | Free | — | No | No | May 2026 | |
| 5 | $4.99 | 2.3★ (3) | No | No | Jul 2026 | |
| 6 | Free | — | No | No | Jun 2026 | |
| 7 | Free | — | Yes | No | May 2026 | |
| 8 | Free | 5.0★ (3) | No | Yes | Jul 2026 |






Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.






Easily file your federal and state tax returns with expert assistance. Upload documents quickly, get real-time updates, and ensure accuracy for your maximum refund. Offers a free option for simple returns.








Calculate sales tax and VAT quickly and accurately for any country. Add or subtract tax from prices, with support for local currencies and a dark mode. Also available on Apple Watch for on-the-go calculations.


Calculate GST tax instantly for various tax slabs and products. Find tax rates and HSN/SAC codes simultaneously. Stay updated on the latest GST structure and important dates in India.


Calculate PAYG withholding, income tax, and tax returns for the 2021-2022 financial year. This tool instantly displays results and provides a detailed breakdown of calculations based on ATO formulas, considering factors like superannuation and tax offsets.


Easily calculate sales tax and discounts across the United States. Get real-time state and city tax rates, reverse-calculate pre-tax prices, and manage manual discounts for accurate financial tracking.


Easily calculate sales tax with this tool. It supports multiple tax rates, reverse calculations to find original prices, and multi-currency options. Share your results instantly for quick and accurate tax management.


This Canadian tax calculator helps users estimate their income tax payable and optimize their returns. It offers comprehensive calculations for various income sources and analyzes the impact of RRSP contributions.


Easily calculate the total cost of gold and silver items, including wastage and GST. This app helps jewelry buyers and dealers understand the breakdown of costs, allowing for transparent transactions and informed purchasing decisions.


Easily calculate sales tax on purchases with this intuitive and accurate tool. Save multiple tax rates, perform arithmetic calculations, and support all currencies. An optional Pro version offers additional features like item logging and reverse tax calculation.


Easily prepare and file your federal and state tax returns from any device. Automatically populate up to 80 fields by uploading last year's return. Get expert help, track your refund, and maximize your refund with personalized insights.




Easily calculate the final cost of your purchases with this intuitive tool. It features dedicated buttons for discounts and allows you to adjust tax rates. Values and expressions can be conveniently copied for further use.


Calculate the final cost of items after applying sales tax and discounts. Create shopping lists to track multiple purchases across different stores and see real-time price breakdowns.


Easily calculate sales tax with a simple and elegant interface. Input the original price and tax rate to instantly see the calculated tax and total cost. Features a custom keyboard and editable tax rates for convenience.


Quickly calculate final sale prices, including discounts and taxes. This universal app supports iOS Today Extension, customizable colors, and accessibility features for all screen sizes and orientations.


Manage your taxes and financial life in one secure app. Upload and store tax documents, track your refund status, and connect with tax professionals. Stay organized year-round with tools designed for real tax needs.


Manage your finances and tax obligations with this app. Track income and expenses, categorize transactions for analysis, and stay updated on tax laws. Get guidance on deductions to maximize savings and ensure accurate filings.