🏛️ Sales Tax Calculator

Add or remove sales tax instantly. Presets for US states, UK VAT, EU, Canada GST, India GST, Australia, and Japan.

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Understanding Sales Tax — How It Works Across Different Regions

Sales tax is a consumption tax imposed by governments on the sale of goods and services. Unlike income tax, it is paid by the buyer at the point of purchase and collected by the seller on behalf of the government. Rates, rules, and exemptions vary widely by country, state, and even city — making an accurate calculator essential for businesses and consumers alike.

How Sales Tax Is Calculated

Basic formula — Tax Amount = Price — (Tax Rate — 100). Add the tax to the price for the total, or divide the total by (1 + Rate) to reverse-calculate the pre-tax price.
Exclusive vs. inclusive tax — Exclusive tax is added on top of the listed price (common in the US). Inclusive tax (common in the UK/EU as VAT) means the displayed price already contains the tax.
Combined rates in the US — Your effective rate often stacks state, county, and city taxes. For example, Los Angeles has a combined rate of 9.5% (state 7.25% + district 2.25%).
VAT vs. sales tax — VAT is collected at every stage of production, while sales tax applies only at the final point of sale. Both ultimately raise the consumer price.

Sales Tax by Region

United States — Rates range from 0% to over 10% depending on the state and locality. Five states — Alaska, Delaware, Montana, New Hampshire, and Oregon — impose no statewide sales tax.
United Kingdom & EU — VAT is the standard model, with the UK charging 20%. EU member states range from 17% (Luxembourg) to 27% (Hungary).
Canada — A federal GST of 5% applies nationwide, plus a Provincial Sales Tax (PST) that varies by province. Some provinces combine both into an HST (Harmonized Sales Tax).
India — The Goods and Services Tax (GST) uses slab rates of 5%, 12%, 18%, and 28% depending on the product or service category.
Australia — A flat 10% GST applies to most goods and services, with exemptions for fresh food, medical services, and some educational courses.

Tax-Exempt Items and Special Rules

Many jurisdictions exempt essential goods from sales tax. Groceries and prescription medicines are tax-free in most US states. Clothing is exempt in states like Pennsylvania and New Jersey. Digital goods and SaaS products face evolving tax rules that vary by state. Business-to-business (B2B) purchases may be exempt when a valid resale certificate is provided, since the tax is deferred to the end consumer.

Frequently Asked Questions

Total = Price × (1 + Tax Rate ÷ 100). For example, $100 with 8% tax = $100 × 1.08 = $108.

Pre-tax Price = Total ÷ (1 + Tax Rate ÷ 100). For example, $108 total with 8% tax = $108 ÷ 1.08 = $100 pre-tax.

VAT (Value Added Tax) is collected at each stage of production, while sales tax is collected only at the final point of sale. Both increase the price consumers pay.

No. Five US states have no sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. Other states range from about 2.9% to 7.25%.

The effective tax rate is the actual percentage of the total you paid in tax: Tax Amount ÷ Total × 100. It is the same as the stated rate when adding tax.