Instant Estimates
Calculate with a clear combined rate and regional breakdown from the included reference directory.
FREE, BROWSER-BASED TAX TOOLS
Sales tax answers, without the spreadsheet.
Estimate sales tax, VAT, and GST for supported reference locations—then use practical guides to understand what the number means.
No sign-upData stays localMobile friendly
LIVE ESTIMATE
Enter amount: USD 250.00
Region: New York, New York (10001)
Total with tax: $272.198.875% New York combined rate
Full calculator14 reference locations
7 supported currencies
5 interactive tools
0 accounts required
MOBILE APP
Take the calculator with you.
Sales Tax Calculator is published by Egebit Limited for iPhone, iPad, and Android. Use the official store listings below to install it.
BUILT FOR QUICK DECISIONS
From a number to a clearer next step
Use focused calculators for the estimate, then move into researched guidance when a tax decision needs more context.
Multi-Region Support
Compare supported US, Canadian, European, and Asia-Pacific reference locations.
Tax Breakdown
See state, county, city, municipal, and special regulatory tax zones in seconds.
Reverse Calculator
Start from a final total to isolate tax and net amounts with a single click.
Reference Directory
Use the included regional directory to compare supported locations and combined rates.
Private by Default
Calculations stay locally in your browser without requiring an account or sending form data to a server.
CALCULATION WORKSPACE
See the rate, tax, and total together.
Choose a supported location and get a transparent breakdown. Currency labels update with the selected region and calculations stay in your browser.
- Base and local components
- Currency-aware inputs
- Clear combined-rate total
Base tax 6.25%
Local tax 2%
Combined rate 8.25%
Total with tax: $1,082.50PURPOSE-BUILT UTILITIES
Choose the right tool for the job
Tax Rate Lookup
Find the combined tax rate for a supported city or postal code.
Open toolTax Comparison Tool
Compare tax rates across multiple regions side by side.
Open toolReverse Tax Calculator
Know the total? Calculate the original pre-tax amount.
Open toolTax Calendar
Plan upcoming filing dates for supported US jurisdictions.
Open toolOFFICIAL-SOURCE GUIDANCE
Browse all guidesPractical tax guides for real workflows
US Sales Tax Guide for Online Sellers (2026)
A practical 2026 guide to sales tax nexus, registration, sourcing, product taxability, filing, and marketplace sales in the United States.
Sales Tax Nexus Determination: A Step-by-Step Guide
Determine sales tax nexus using physical presence, state revenue definitions, marketplace records, threshold timing, and a documented registration decision.
SaaS Sales Tax Sourcing: Where Is Software Used?
Determine SaaS customer location with user evidence, state-specific sourcing rules, multistate allocation, billing controls, and a worked subscription example.
FROM THE EDITORIAL TEAM
Visit the blogUseful context for changing tax rules
eCommerce
Shipping Tax on Mixed Carts: Taxable and Exempt Items
Handle shipping tax on mixed carts with a New York allocation example, free-shipping checks, discount scenarios, refunds, and a practical checkout test plan.
Compliance
Zero Sales Tax Returns: When and How to File
Learn why an active sales tax account may still need a return with no sales, and check exempt sales, marketplace receipts, use tax, and account closure.
eCommerce
IOSS for US Sellers: EU VAT and Small-Parcel Duties
Understand IOSS for US sellers: eligible consignments, EU intermediaries, marketplace orders, monthly VAT reporting, and the separate July 2026 customs duty.
HOW TO USE SALES TAX KIT
Turn a quick estimate into a better tax decision
The calculator is designed for fast reference checks. These steps explain what the result means, where its limits begin, and when to verify an answer with an official source.
Choose the calculation direction
Start with the amount before tax when you need to add sales tax, VAT, or GST to a price. Use the reverse calculator when the amount already includes tax and you need to estimate the original price and tax component. Keeping those two questions separate prevents the most common calculation mistake.
Select the relevant reference location
Choose the destination or jurisdiction that best matches the transaction. Sales tax can include state, county, city, municipal, or special-district components, while VAT and GST systems usually use a national or category-based rate. The displayed breakdown helps you see how the combined estimate was formed.
Verify decisions that affect compliance
Use the result for planning, comparison, and checkout testing—not as a filing determination. Product taxability, customer exemptions, marketplace responsibility, sourcing rules, registration status, and effective dates can change the correct treatment. Check the linked guides and current tax-authority guidance before acting on a material transaction.
COMMON QUESTIONS
What to know before using an estimate
What does the calculator include?
It applies the combined reference rate stored for the selected location and shows the estimated tax and total. Where the directory contains separate components, the interface identifies the base and local portions. It does not automatically determine whether a particular product, service, customer, or transaction is taxable.
Can I use the result on a tax return?
The result is a reference estimate, not a prepared return or official jurisdiction decision. Before filing, reconcile the transaction data in your commerce and accounting systems, confirm the applicable rate and sourcing method, review exemptions and marketplace sales, and follow the instructions published by the relevant tax authority.
Does Sales Tax Kit cover every city and country?
No. The calculator uses a curated set of supported reference locations rather than a complete real-time tax database. If your destination is not listed, use the rate lookup and educational guides as a starting point, then confirm the current rule through the appropriate state, provincial, national, or local authority.
Are sales tax, VAT, and GST the same?
They are all consumption taxes, but they are administered differently. US sales tax is generally collected at the retail stage and can vary across overlapping jurisdictions. VAT and GST systems usually collect tax through the supply chain and may allow registered businesses to claim eligible input tax credits.
Does the calculator send my amounts to a server?
Standard calculations run locally in the browser and do not require an account. This makes the tool useful for quick price checks without submitting the entered amount as a calculator form. Contact messages and optional analytics are separate features governed by the site’s privacy choices and Privacy Policy.
How should I check whether a rate is current?
Start with the review information and official-source links in the relevant Sales Tax Kit guide. Then verify the rate, effective date, threshold, product category, and transaction facts with the responsible authority. Tax holidays, local rate changes, new registrations, and marketplace rules can make a previously correct setup outdated.
ABOUT SALES TAX KIT
Free tax estimates with transparent limitations
Sales Tax Kit is an English-language reference site published by Egebit Limited. It provides browser-based calculators and educational guides researched against official tax authority sources.
Calculations use an included reference directory and stay in your browser. Results are estimates, not legal or tax advice.
Read our editorial policy or use the contact page for corrections, feedback, data questions, and bug reports.
START WITH AN ESTIMATE
A clearer tax calculation is one click away.
Use the free calculator now, or explore the guides when you need the rules behind the rate.