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US Sales Tax Calculator

Calculate sales tax for any purchase in the United States. Find out the total cost including tax for any state.

Calculate Sales Tax

Understanding US Sales Tax Calculator

Sales tax is one of the most common taxes Americans encounter in daily life. Every time you make a purchase—whether at a retail store, restaurant, gas station, or online—you're likely paying sales tax on top of the listed price. Understanding how sales tax works across the United States is crucial for budgeting, business planning, and avoiding surprises at checkout.

This US sales tax calculator helps you instantly determine the total cost of any purchase including sales tax for all 50 states and Washington D.C. Unlike income tax which varies by earnings, sales tax is straightforward: it's a percentage added to the purchase price at the point of sale. However, the complexity comes from the fact that sales tax rates vary significantly across different states, counties, and cities in the United States.

How Sales Tax Works in the United States

Sales tax is a consumption tax imposed by state and local governments on retail sales of goods and services. The seller collects the tax from the buyer at the time of purchase and periodically remits it to the government. Unlike federal income tax which is collected by the IRS, sales tax revenue goes directly to state and local governments to fund public services like schools, roads, police, and fire departments.

State vs. Local Sales Tax

Most states have a base state sales tax rate, but the actual rate you pay often includes additional local taxes from counties, cities, and special districts. For example, California has a base state rate of 7.25%, but with local taxes, rates in some areas can exceed 10%. This is why two stores in the same state but different cities might charge different sales tax rates.

The calculator above uses base state rates, but remember that your actual local rate may be higher. For precise calculations for business purposes, check your specific county and city rates with your state's Department of Revenue.

States Without Sales Tax

Five US states have no statewide sales tax, providing significant savings for residents and attracting shoppers from neighboring states:

  • Alaska - No state sales tax, but some local governments impose sales taxes up to 7.5%
  • Delaware - No sales tax at any level, making it a popular shopping destination
  • Montana - No sales tax, with rare exceptions for certain resort areas
  • New Hampshire - No sales tax, though they have a meals and rooms tax
  • Oregon - No sales tax at any level

These states typically make up lost revenue through higher income taxes, property taxes, or other fees. For example, Oregon has one of the highest state income tax rates in the nation.

Example Calculations Across Different States

Example 1: $500 Electronics Purchase in California

You're buying a $500 laptop in California (7.25% base state rate):

  • Price before tax: $500.00
  • Sales tax (7.25%): $36.25
  • Total price: $536.25

If you're in Los Angeles with combined state and local rates around 9.5%, the tax would be $47.50, bringing the total to $547.50—an additional $11.25 compared to the base state rate.

Example 2: $1,000 Furniture in Oregon vs. Tennessee

Oregon (0% sales tax):

  • Price: $1,000.00
  • Sales tax: $0.00
  • Total: $1,000.00

Tennessee (7.0% state sales tax):

  • Price: $1,000.00
  • Sales tax: $70.00
  • Total: $1,070.00

The same furniture costs $70 more in Tennessee. With local taxes in cities like Memphis or Nashville, the total difference could exceed $90.

What's Taxed and What's Not?

Generally Taxable Items

Most states impose sales tax on:

  • Tangible personal property (electronics, clothing, furniture, appliances)
  • Prepared food and restaurant meals
  • Most retail goods
  • Some services (varies significantly by state)

Common Exemptions

Many states exempt certain necessities from sales tax:

  • Groceries: 32 states exempt unprepared food from sales tax
  • Prescription medications: Exempt in most states
  • Clothing: Exempt in states like Massachusetts, Minnesota, New Jersey, Pennsylvania, and Vermont (with some limitations)
  • Textbooks: Often exempt or taxed at reduced rates
  • Medical devices and equipment: Typically exempt

Sales Tax Holidays

Many US states offer sales tax holidays—short periods when certain items can be purchased tax-free. These commonly occur before the school year starts (for school supplies and clothing) or before hurricane season (for emergency supplies). States like Florida, Texas, and Tennessee regularly hold multiple sales tax holidays throughout the year.

Online Shopping and Sales Tax

For decades, consumers could often avoid sales tax by shopping online from out-of-state retailers. However, the 2018 Supreme Court decision in South Dakota v. Wayfair, Inc. changed everything. Now, online retailers must collect sales tax based on the buyer's location if they exceed certain sales thresholds in that state (typically $100,000 in sales or 200 transactions).

This means whether you buy from Amazon, a local store, or a boutique website, you'll generally pay sales tax based on your state and local rates. The only exception is small sellers who don't meet the economic nexus thresholds in your state.

Sales Tax for Businesses

If you're a business owner selling taxable goods or services in the United States, you must:

  • Register for a sales tax permit in each state where you have nexus (physical or economic presence)
  • Collect the correct amount of sales tax from customers
  • File regular sales tax returns (monthly, quarterly, or annually depending on volume)
  • Remit collected taxes to the appropriate state and local authorities

Failure to properly collect and remit sales tax can result in significant penalties, interest charges, and even criminal charges in severe cases. Many businesses use automated sales tax software to handle the complexity of multi-state sales tax compliance.

Tips for Managing Sales Tax

1. Budget for the Total Price: Always calculate the after-tax cost when budgeting for purchases. A $1,000 pre-tax price could cost $1,090+ depending on your location.

2. Shop in Tax-Free States: If you live near a state border, consider major purchases in a no-sales-tax state. However, many states require you to pay "use tax" on items purchased out-of-state for use in your home state.

3. Time Purchases Around Sales Tax Holidays: Save money by buying school supplies, clothing, computers, and emergency supplies during your state's sales tax holidays.

4. Keep Receipts for Business Purchases: If you buy items for business use, you may be exempt from paying sales tax with a resale certificate or the purchase may be deductible on your business taxes.

5. Understand Local Rates: Don't assume the state rate is all you'll pay. Check your exact location's combined rate for accurate budgeting.

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Frequently Asked Questions

What is sales tax in the United States?
Sales tax is a consumption tax imposed by state and local governments on the sale of goods and services in the United States. When you purchase an item, the seller collects sales tax at the point of sale and remits it to the government. Sales tax rates vary by state, ranging from 0% in states like Oregon and Delaware to over 9% in states like Tennessee and Louisiana when combining state and local rates.
Which US states have no sales tax?
Five US states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, Alaska allows local governments to impose sales taxes, so some Alaskan cities do charge sales tax. These no-sales-tax states often compensate with higher income taxes, property taxes, or other revenue sources.
How do I calculate sales tax on a purchase?
To calculate sales tax, multiply the purchase price by the sales tax rate (as a decimal). For example, if you buy a $100 item in a location with 7% sales tax: $100 × 0.07 = $7.00 in tax. The total price would be $100 + $7 = $107. Many US localities have combined state and local tax rates, so always use the total rate for your specific location.
Do I pay sales tax on online purchases in the US?
Yes, since the 2018 Supreme Court decision in South Dakota v. Wayfair, online retailers must collect sales tax based on the buyer's location, not the seller's location. This applies to most online purchases in the United States. You pay the sales tax rate of your state and locality, even when buying from an out-of-state seller. Some small sellers below certain revenue thresholds may be exempt.
Are groceries subject to sales tax in the US?
It depends on the state. Most US states exempt groceries (unprepared food) from sales tax, but some states like Alabama, Mississippi, and South Dakota do tax groceries, often at reduced rates. Prepared foods, restaurant meals, and certain food items like candy and soda are typically taxed in most states. Check your specific state's rules as exemptions vary.
What's the highest sales tax rate in the United States?
The highest combined state and local sales tax rates in the US are in Louisiana (averaging 9.56%), Tennessee (9.55%), Arkansas (9.51%), Washington (9.38%), and Alabama (9.29%). However, specific localities can have even higher rates. For example, some areas in California can exceed 10% when combining state, county, and local taxes.