Sales Tax Calculator
Part of our Tax Calculators
Calculate sales tax amounts and total purchase prices instantly. Add or remove tax from any price with customizable tax rates.
Sales Tax Results
How to Use the Sales Tax Calculator
Our sales tax calculator helps you quickly determine the total cost of purchases including sales tax, or calculate the pre-tax price from a tax-inclusive amount. Choose whether you want to add or remove sales tax, enter your values, and get instant accurate results.
- Choose Calculation Mode: Select "Add Sales Tax" to calculate total price from pre-tax amount, or "Remove Sales Tax" to find pre-tax price from a tax-inclusive total.
- Enter Price: Input either the pre-tax price or tax-inclusive price depending on your selected mode.
- Set Tax Rate: Enter the sales tax rate as a percentage (e.g., 8.25 for 8.25% tax rate).
- Add Details: Specify quantity for multiple items and any additional fees like shipping or handling charges.
- Calculate: Click the calculate button to see the breakdown of tax amounts and total costs.
Understanding Sales Tax
Sales tax is a consumption tax imposed by governments on the sale of goods and services. In the United States, sales tax rates vary by state, county, and city, with combined rates typically ranging from 0% (in states with no sales tax) to over 10% in some localities. Businesses collect sales tax at the point of sale and remit it to the appropriate tax authorities.
The formula to calculate sales tax is straightforward: Tax Amount = Price × (Tax Rate ÷ 100). The total price including tax is: Total = Price + Tax Amount. To remove tax from a tax-inclusive price, use: Price Before Tax = Total ÷ (1 + Tax Rate ÷ 100).
Sales Tax Across the United States
No Sales Tax States: Alaska, Delaware, Montana, New Hampshire, and Oregon have no state-wide sales tax, though Alaska allows local sales taxes.
Highest Sales Tax Rates: California, Louisiana, Tennessee, and Arkansas have combined state and local rates exceeding 9% in many areas. Some California localities exceed 10%.
Average Rates: The average combined state and local sales tax rate in the U.S. is approximately 7-8%, though this varies significantly by location.
Online Sales: Following the 2018 Supreme Court ruling in South Dakota v. Wayfair, states can require online retailers to collect sales tax even without physical presence.
What Items Are Subject to Sales Tax?
Sales tax applicability varies by state and product category. Generally, tangible personal property and certain services are taxable. Most states exempt groceries (unprepared food), prescription medications, and certain medical devices from sales tax to reduce the tax burden on essential items.
Clothing may be taxable or exempt depending on the state. Some states exempt all clothing, others tax only clothing above a certain price threshold, and many tax all clothing. Services like haircuts, repairs, and professional services have varying tax treatment by state.
Sales Tax for Businesses
Collection Responsibility: Businesses must register for a sales tax permit in states where they have nexus (physical or economic presence) and collect appropriate sales tax on taxable transactions.
Nexus Rules: Physical presence (stores, warehouses) creates nexus, as does economic presence (reaching sales thresholds in a state). Nexus requirements vary by state.
Filing and Remittance: Businesses must file sales tax returns regularly (monthly, quarterly, or annually) and remit collected taxes to state revenue departments by specific deadlines.
Exemptions and Certificates: Businesses making purchases for resale can provide resale certificates to avoid paying sales tax on inventory purchases. Certain nonprofit organizations may also be exempt.
Tips for Managing Sales Tax
Know Your Local Rate: Sales tax rates can vary even within a single zip code due to overlapping jurisdictions. Verify the exact rate for your specific location.
Account for Tax in Budgeting: When planning large purchases, remember to factor in sales tax. An 8% tax rate adds $80 to a $1,000 purchase.
Compare Cross-Border Shopping: If you live near a state with lower or no sales tax, comparison shopping across state lines might offer savings on large purchases.
Use Tax Obligations: If you purchase items from out-of-state sellers who don't collect sales tax, you may owe "use tax" when filing your state tax return.