Sales Tax Calculator — Instantly Calculate Tax & Final Price

Our Sales Tax Calculator helps you quickly calculate sales tax for any purchase. Whether you know the before-tax price, sales tax rate, or final after-tax price, this tool can calculate the missing value instantly. It is ideal for shoppers, businesses, accountants, and anyone who needs accurate tax calculations in seconds.

Simply enter any two values, and the calculator will automatically compute the third — fast, accurate, and free.


What Is Sales Tax?

Sales tax is a consumption tax charged by governments on the sale of goods and services. It is usually collected by the seller at the point of purchase and then paid to the government. In many countries, sales tax may be known as Value-Added Tax (VAT) or Goods and Services Tax (GST), which operate differently from U.S. sales tax.

In some regions, product prices are listed before tax, and tax is added during checkout. In others, prices are displayed after tax, meaning tax is already included.


How the Sales Tax Calculator Works

The calculator can compute any of the following:

Just enter the known values and click calculate. The tool instantly shows accurate results without manual formulas.

This is useful for:


U.S. Sales Tax Explained

The United States does not have a federal sales tax. Instead, sales tax is applied at the state and local levels. Most states charge sales tax, except:

Even in states with no statewide sales tax, local or city taxes may still apply.

Sales tax rates vary widely depending on:

Unlike VAT, U.S. sales tax applies only to retail purchases, not business-to-business transactions.


Sales Tax Rates by State

Sales tax rates in the U.S. generally range from 0% to over 10% when state and local taxes are combined. For example:

Because of these differences, using a sales tax calculator by state helps avoid mistakes.


Why Sales Tax Matters

Sales tax is one of the largest sources of revenue for state governments. In some states, it accounts for more than half of total tax revenue. On average, sales tax impacts about 2% of personal income in the U.S.

States in the South and West rely more heavily on sales tax than those in the Northeast and Midwest.


Sales Tax Deduction in the United States

When filing federal income tax, taxpayers must choose between:

Sales tax can only be deducted if you itemize deductions. Taxpayers must also choose between deducting:

Sales tax deductions may benefit those who made large purchases such as:

However, fewer than 2% of Americans claim sales tax deductions each year due to record-keeping requirements.


VAT vs Sales Tax

Outside the U.S., most countries use VAT (Value-Added Tax) instead of sales tax. VAT is charged at multiple stages of production, not just at retail.

Key Differences:

VAT systems reduce tax evasion but can increase prices and affect exports.


GST (Goods and Services Tax)

GST is similar to VAT and is used in countries like:

Although VAT and GST are often used interchangeably, each country applies them differently.


Why Use Our Sales Tax Calculator?

✔ Calculate tax instantly
 ✔ Supports before-tax & after-tax pricing
 ✔ Accurate state-level calculations
 ✔ Free & easy to use
 ✔ No signup required
 ✔ Ideal for shoppers & businesses


Start Calculating Sales Tax Now

Whether you're estimating purchase costs, preparing invoices, or comparing prices across states, our Sales Tax Calculator gives fast and reliable results.

Use it now on all-calculator.net — simple, accurate, and free.